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23311303300 = 225219671491229
BaseRepresentation
bin10101101101011101…
…100100001010000100
32020011121022220102201
4111231131210022010
5340220143201200
614413054044244
71453450544245
oct255535441204
966147286381
1023311303300
11998269421a
124626aa9684
132276716abc
1411b1da4ccc
15916802c6a
hex56d764284

23311303300 has 144 divisors (see below), whose sum is σ = 54449640000. Its totient is φ = 8636474880.

The previous prime is 23311303289. The next prime is 23311303313. The reversal of 23311303300 is 330311332.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18967086 + ... + 18968314.

It is an arithmetic number, because the mean of its divisors is an integer number (378122500).

Almost surely, 223311303300 is an apocalyptic number.

23311303300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23311303300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27224820000).

23311303300 is an abundant number, since it is smaller than the sum of its proper divisors (31138336700).

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

23311303300 is a wasteful number, since it uses less digits than its factorization.

23311303300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 23311303300 its reverse (330311332), we get a palindrome (23641614632).

The spelling of 23311303300 in words is "twenty-three billion, three hundred eleven million, three hundred three thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 67 76 95 100 134 149 190 268 298 335 380 475 596 670 745 950 1229 1273 1340 1490 1675 1900 2458 2546 2831 2980 3350 3725 4916 5092 5662 6145 6365 6700 7450 9983 11324 12290 12730 14155 14900 19966 23351 24580 25460 28310 30725 31825 39932 46702 49915 56620 61450 63650 70775 82343 93404 99830 116755 122900 127300 141550 164686 183121 189677 199660 233510 249575 283100 329372 366242 379354 411715 467020 499150 583775 732484 758708 823430 915605 948385 998300 1167550 1564517 1646860 1831210 1896770 2058575 2335100 3129034 3479299 3662420 3793540 4117150 4578025 4741925 6258068 6958598 7822585 8234300 9156050 9483850 12269107 13917196 15645170 17396495 18312100 18967700 24538214 31290340 34792990 39112925 49076428 61345535 69585980 78225850 86982475 122691070 156451700 173964950 233113033 245382140 306727675 347929900 466226066 613455350 932452132 1165565165 1226910700 2331130330 4662260660 5827825825 11655651650 23311303300