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10185389075 = 52407415563
BaseRepresentation
bin10010111110001100…
…01011010000010011
3222021211121101010102
421133012023100103
5131324424422300
64402404123015
7510255243611
oct113706132023
928254541112
1010185389075
114357428624
121b8309646b
13c6422a254
146c8a206b1
153e92cd0d5
hex25f18b413

10185389075 has 6 divisors (see below), whose sum is σ = 12629882484. Its totient is φ = 8148311240.

The previous prime is 10185388937. The next prime is 10185389087. The reversal of 10185389075 is 57098358101.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-10185389075 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203707757 + ... + 203707806.

It is an arithmetic number, because the mean of its divisors is an integer number (2104980414).

Almost surely, 210185389075 is an apocalyptic number.

10185389075 is a deficient number, since it is larger than the sum of its proper divisors (2444493409).

10185389075 is an equidigital number, since it uses as much as digits as its factorization.

10185389075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407415573 (or 407415568 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 10185389075 in words is "ten billion, one hundred eighty-five million, three hundred eighty-nine thousand, seventy-five".

Divisors: 1 5 25 407415563 2037077815 10185389075