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123020330102 = 21717327897499
BaseRepresentation
bin111001010010010010…
…1010100010001110110
3102202112111110021111022
41302210211110101312
54003421201030402
6132303104341142
711613362360345
oct1624445242166
9382474407438
10123020330102
11481998508aa
121ba133147b2
13b7a6b69347
145d50521b5c
1533002132a2
hex1ca4954476

123020330102 has 32 divisors (see below), whose sum is σ = 196611300000. Its totient is φ = 57528974848.

The previous prime is 123020330101. The next prime is 123020330143. The reversal of 123020330102 is 201033020321.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020330101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16401149 + ... + 16408647.

It is an arithmetic number, because the mean of its divisors is an integer number (6144103125).

Almost surely, 2123020330102 is an apocalyptic number.

123020330102 is a deficient number, since it is larger than the sum of its proper divisors (73590969898).

123020330102 is a wasteful number, since it uses less digits than its factorization.

123020330102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123020330102 its reverse (201033020321), we get a palindrome (324053350423).

The spelling of 123020330102 in words is "one hundred twenty-three billion, twenty million, three hundred thirty thousand, one hundred two".

Divisors: 1 2 17 34 173 346 2789 2941 5578 5882 7499 14998 47413 94826 127483 254966 482497 964994 1297327 2594654 8202449 16404898 20914711 22054559 41829422 44109118 355550087 711100174 3618245003 7236490006 61510165051 123020330102