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10072155811 = 379102126029
BaseRepresentation
bin10010110000101100…
…01110011010100011
3221222221112112021211
421120112032122203
5131111432441221
64343241130551
7504411624514
oct113026163243
927887475254
1010072155811
1142a9518813
121b51189a57
13c46932313
146b7986a0b
153de3b26e1
hex25858e6a3

10072155811 has 8 divisors (see below), whose sum is σ = 10109010800. Its totient is φ = 10035355680.

The previous prime is 10072155773. The next prime is 10072155827. The reversal of 10072155811 is 11855127001.

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 10072155811 - 29 = 10072155299 is a prime.

It is a super-2 number, since 2×100721558112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10072155871) 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, 373945 + ... + 399973.

It is an arithmetic number, because the mean of its divisors is an integer number (1263626350).

Almost surely, 210072155811 is an apocalyptic number.

10072155811 is a deficient number, since it is larger than the sum of its proper divisors (36854989).

10072155811 is a wasteful number, since it uses less digits than its factorization.

10072155811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27429.

The product of its (nonzero) digits is 2800, while the sum is 31.

The spelling of 10072155811 in words is "ten billion, seventy-two million, one hundred fifty-five thousand, eight hundred eleven".

Divisors: 1 379 1021 26029 386959 9864991 26575609 10072155811