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102023211030 = 23513351774381
BaseRepresentation
bin101111100000100001…
…1101010100000010110
3100202100011200010000120
41133001003222200112
53132420420223110
6114511355252410
710241141661636
oct1370103524026
9322304603016
10102023211030
113a2a4496534
121793344a106
13980ba22930
144d1ba3c6c6
1529c1b84870
hex17c10ea816

102023211030 has 64 divisors (see below), whose sum is σ = 263769283008. Its totient is φ = 25105927680.

The previous prime is 102023211019. The next prime is 102023211061. The reversal of 102023211030 is 30112320201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1334440 + ... + 1408820.

It is an arithmetic number, because the mean of its divisors is an integer number (4121395047).

Almost surely, 2102023211030 is an apocalyptic number.

102023211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102023211030 is an abundant number, since it is smaller than the sum of its proper divisors (161746071978).

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

102023211030 is a wasteful number, since it uses less digits than its factorization.

102023211030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77921.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102023211030 its reverse (30112320201), we get a palindrome (132135531231).

The spelling of 102023211030 in words is "one hundred two billion, twenty-three million, two hundred eleven thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 3517 7034 10551 17585 21102 35170 45721 52755 74381 91442 105510 137163 148762 223143 228605 274326 371905 446286 457210 685815 743810 966953 1115715 1371630 1933906 2231430 2900859 4834765 5801718 9669530 14504295 29008590 261597977 523195954 784793931 1307989885 1569587862 2615979770 3400773701 3923969655 6801547402 7847939310 10202321103 17003868505 20404642206 34007737010 51011605515 102023211030