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10192207538 = 2713872
BaseRepresentation
bin10010111111000000…
…01011111010110010
3222022022102210022002
421133200023322302
5131333201120123
64403210214002
7510400222532
oct113740137262
928268383262
1010192207538
114360265417
121b85424302
13c65776946
146c98b74c2
153e9bc8528
hex25f80beb2

10192207538 has 6 divisors (see below), whose sum is σ = 15288525471. Its totient is φ = 5096032382.

The previous prime is 10192207471. The next prime is 10192207577. The reversal of 10192207538 is 83570229101.

It can be written as a sum of positive squares in only one way, i.e., 5096103769 + 5096103769 = 71387^2 + 71387^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=71387.

It is a super-3 number, since 3×101922075383 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 107081 + ... + 178467.

Almost surely, 210192207538 is an apocalyptic number.

10192207538 is a deficient number, since it is larger than the sum of its proper divisors (5096317933).

10192207538 is an frugal number, since it uses more digits than its factorization.

10192207538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142776 (or 71389 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 10192207538 in words is "ten billion, one hundred ninety-two million, two hundred seven thousand, five hundred thirty-eight".

Divisors: 1 2 71387 142774 5096103769 10192207538