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10021131019 = 101373266003
BaseRepresentation
bin10010101010100111…
…00101001100001011
3221212101112012102201
421111103211030023
5131010402143034
64334215341031
7503222131264
oct112523451413
927771465381
1010021131019
114282738069
121b38081777
13c391a8633
146b0ca396b
153d9b84014
hex2554e530b

10021131019 has 8 divisors (see below), whose sum is σ = 10147520592. Its totient is φ = 9895274400.

The previous prime is 10021131017. The next prime is 10021131067. The reversal of 10021131019 is 91013112001.

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 10021131019 - 21 = 10021131017 is a prime.

It is a super-2 number, since 2×100211310192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021130987 and 10021131005.

It is not an unprimeable number, because it can be changed into a prime (10021131017) 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, 95329 + ... + 170674.

It is an arithmetic number, because the mean of its divisors is an integer number (1268440074).

Almost surely, 210021131019 is an apocalyptic number.

10021131019 is a deficient number, since it is larger than the sum of its proper divisors (126389573).

10021131019 is a wasteful number, since it uses less digits than its factorization.

10021131019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266477.

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 10021131019 in words is "ten billion, twenty-one million, one hundred thirty-one thousand, nineteen".

Divisors: 1 101 373 37673 266003 26866303 99219119 10021131019