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102313012222221 = 3244755201252481
BaseRepresentation
bin10111010000110110011010…
…101111111101100100001101
3111102021000202201212210012020
4113100312122233331210031
5101402244022112102341
61001333540550000353
730356604551503623
oct2720663257754415
9442230681783166
10102313012222221
112a666783117419
12b584b449460b9
1345120ca299a98
141b39d94a31513
15bc65e24c4566
hex5d0d9abfd90d

102313012222221 has 16 divisors (see below), whose sum is σ = 136476111276288. Its totient is φ = 68179295232000.

The previous prime is 102313012222189. The next prime is 102313012222243. The reversal of 102313012222221 is 122222210313201.

It is not a de Polignac number, because 102313012222221 - 25 = 102313012222189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102313012222191 and 102313012222200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102313012222121) 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, 405104301 + ... + 405356781.

It is an arithmetic number, because the mean of its divisors is an integer number (8529756954768).

Almost surely, 2102313012222221 is an apocalyptic number.

It is an amenable number.

102313012222221 is a deficient number, since it is larger than the sum of its proper divisors (34163099054067).

102313012222221 is a wasteful number, since it uses less digits than its factorization.

102313012222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310132.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 102313012222221 its reverse (122222210313201), we get a palindrome (224535222535422).

The spelling of 102313012222221 in words is "one hundred two trillion, three hundred thirteen billion, twelve million, two hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 3 2447 7341 55201 165603 252481 757443 135076847 405230541 617821007 1853463021 13937203681 41811611043 34104337407407 102313012222221