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102020012030131 = 1317461629013711
BaseRepresentation
bin10111001100100101100010…
…100100111011100010110011
3111101020000111001022211201221
4113030211202210323202303
5101332443441034431011
61000551202503005511
730326463001120426
oct2714454244734263
9441200431284657
10102020012030131
112a563498153438
12b5381b3739897
1344c05a4707860
141b29b1b3d99bd
15bbdb945e2971
hex5cc96293b8b3

102020012030131 has 8 divisors (see below), whose sum is σ = 116330511455424. Its totient is φ = 88632770632320.

The previous prime is 102020012030071. The next prime is 102020012030143. The reversal of 102020012030131 is 131030210020201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102020012030131 - 217 = 102020011899059 is a prime.

It is a super-2 number, since 2×1020200120301312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020012030161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230814506635 + ... + 230814507076.

It is an arithmetic number, because the mean of its divisors is an integer number (14541313931928).

Almost surely, 2102020012030131 is an apocalyptic number.

102020012030131 is a deficient number, since it is larger than the sum of its proper divisors (14310499425293).

102020012030131 is a wasteful number, since it uses less digits than its factorization.

102020012030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461629013741.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102020012030131 its reverse (131030210020201), we get a palindrome (233050222050332).

The spelling of 102020012030131 in words is "one hundred two trillion, twenty billion, twelve million, thirty thousand, one hundred thirty-one".

Divisors: 1 13 17 221 461629013711 6001177178243 7847693233087 102020012030131