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102132231122020 = 225115937941949549
BaseRepresentation
bin10111001110001110000011…
…010110110010110001100100
3111101121202010210100100220111
4113032032003112302301210
5101341313302131401040
61001114522123342404
730340544616504511
oct2716160326626144
9441552123310814
10102132231122020
112a5a7043983090
12b555ab1681a04
1344cb04988c088
141b313251ca308
15bc1a61428dea
hex5ce3835b2c64

102132231122020 has 192 divisors, whose sum is σ = 239143363200000. Its totient is φ = 36325549370880.

The previous prime is 102132231121969. The next prime is 102132231122021. The reversal of 102132231122020 is 20221132231201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 102132231121982 and 102132231122000.

It is not an unprimeable number, because it can be changed into a prime (102132231122021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2061212206 + ... + 2061261754.

It is an arithmetic number, because the mean of its divisors is an integer number (1245538350000).

Almost surely, 2102132231122020 is an apocalyptic number.

102132231122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102132231122020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119571681600000).

102132231122020 is an abundant number, since it is smaller than the sum of its proper divisors (137011132077980).

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

102132231122020 is a wasteful number, since it uses less digits than its factorization.

102132231122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50426 (or 50424 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102132231122020 its reverse (20221132231201), we get a palindrome (122353363353221).

The spelling of 102132231122020 in words is "one hundred two trillion, one hundred thirty-two billion, two hundred thirty-one million, one hundred twenty-two thousand, twenty".