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231110100300030 = 23576759872743567
BaseRepresentation
bin110100100011000110000011…
…011011101011000011111110
31010022021220120020212222200120
4310203012003123223003332
5220243001441134100110
62135310303034435410
766452103505615320
oct6443060333530376
91108256506788616
10231110100300030
1167703274656296
1221b06828b92b66
139bc5786bb0a93
14410db07a69610
151baba863da870
hexd231836eb0fe

231110100300030 has 128 divisors (see below), whose sum is σ = 643470907686912. Its totient is φ = 52028019888768.

The previous prime is 231110100299989. The next prime is 231110100300041. The reversal of 231110100300030 is 30003001011132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 231110100299982 and 231110100300009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82865307 + ... + 85608873.

It is an arithmetic number, because the mean of its divisors is an integer number (5027116466304).

Almost surely, 2231110100300030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231110100300030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321735453843456).

231110100300030 is an abundant number, since it is smaller than the sum of its proper divisors (412360807386882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231110100300030 is a wasteful number, since it uses less digits than its factorization.

231110100300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749638.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 231110100300030 its reverse (30003001011132), we get a palindrome (261113101311162).

The spelling of 231110100300030 in words is "two hundred thirty-one trillion, one hundred ten billion, one hundred million, three hundred thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 67 70 105 134 201 210 335 402 469 670 938 1005 1407 2010 2345 2814 4690 5987 7035 11974 14070 17961 29935 35922 41909 59870 83818 89805 125727 179610 209545 251454 401129 419090 628635 802258 1203387 1257270 2005645 2406774 2743567 2807903 4011290 5487134 5615806 6016935 8230701 8423709 12033870 13717835 14039515 16461402 16847418 19204969 27435670 28079030 38409938 41153505 42118545 57614907 82307010 84237090 96024845 115229814 183818989 192049690 288074535 367637978 551456967 576149070 919094945 1102913934 1286732923 1838189890 2573465846 2757284835 3860198769 5514569670 6433664615 7720397538 12867329230 16425735629 19300993845 32851471258 38601987690 49277206887 82128678145 98554413774 114980149403 164257356290 229960298806 246386034435 344940448209 492772068870 574900747015 689880896418 1100524287143 1149801494030 1724702241045 2201048574286 3301572861429 3449404482090 5502621435715 6603145722858 7703670010001 11005242871430 15407340020002 16507864307145 23111010030003 33015728614290 38518350050005 46222020060006 77036700100010 115555050150015 231110100300030