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102331300020020 = 22517329575520237
BaseRepresentation
bin10111010001000111011100…
…110010010111111100110100
3111102022202222020121011120122
4113101013130302113330310
5101403044000301120040
61001350203352551112
730361123003304441
oct2721073462277464
9442282866534518
10102331300020020
112a6735080a95a5
12b5885a93b2498
134513a53015106
141b3ac0b7769c8
15bc6d12c7b1b5
hex5d11dcc97f34

102331300020020 has 24 divisors (see below), whose sum is σ = 216137901899304. Its totient is φ = 40695915844736.

The previous prime is 102331300019983. The next prime is 102331300020073. The reversal of 102331300020020 is 20020003133201.

It can be written as a sum of positive squares in 4 ways, for example, as 11082533953936 + 91248766066084 = 3329044^2 + 9552422^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14787756659 + ... + 14787763578.

It is an arithmetic number, because the mean of its divisors is an integer number (9005745912471).

Almost surely, 2102331300020020 is an apocalyptic number.

102331300020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102331300020020 is an abundant number, since it is smaller than the sum of its proper divisors (113806601879284).

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

102331300020020 is a wasteful number, since it uses less digits than its factorization.

102331300020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29575520419 (or 29575520417 counting only the distinct ones).

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

Adding to 102331300020020 its reverse (20020003133201), we get a palindrome (122351303153221).

The spelling of 102331300020020 in words is "one hundred two trillion, three hundred thirty-one billion, three hundred million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 29575520237 59151040474 118302080948 147877601185 295755202370 591510404740 5116565001001 10233130002002 20466260004004 25582825005005 51165650010010 102331300020020