Search a number
-
+
102331030000020 = 22352070782364281
BaseRepresentation
bin10111010001000111001100…
…101100010101000110010100
3111102022202021102111201202220
4113101013030230111012110
5101403042422140000040
61001350120505302340
730361113214211223
oct2721071454250624
9442282242451686
10102331030000020
112a673389741578
12b588532a949b0
134513a0c0b3173
141b3abc3968cba
15bc6ce91e02d0
hex5d11ccb15194

102331030000020 has 48 divisors (see below), whose sum is σ = 286540724678208. Its totient is φ = 27286956506880.

The previous prime is 102331029999973. The next prime is 102331030000021. The reversal of 102331030000020 is 20000030133201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102331030000021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39939721 + ... + 42424560.

It is an arithmetic number, because the mean of its divisors is an integer number (5969598430796).

Almost surely, 2102331030000020 is an apocalyptic number.

102331030000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102331030000020 is an abundant number, since it is smaller than the sum of its proper divisors (184209694678188).

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

102331030000020 is a wasteful number, since it uses less digits than its factorization.

102331030000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82385000 (or 82384998 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 102331030000020 its reverse (20000030133201), we get a palindrome (122331060133221).

The spelling of 102331030000020 in words is "one hundred two trillion, three hundred thirty-one billion, thirty million, twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 20707 41414 62121 82828 103535 124242 207070 248484 310605 414140 621210 1242420 82364281 164728562 247092843 329457124 411821405 494185686 823642810 988371372 1235464215 1647285620 2470928430 4941856860 1705517166667 3411034333334 5116551500001 6822068666668 8527585833335 10233103000002 17055171666670 20466206000004 25582757500005 34110343333340 51165515000010 102331030000020