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10239868969 = 112633539533
BaseRepresentation
bin10011000100101100…
…00000000000101001
3222102122010020111021
421202112000000221
5131432401301334
64412031532441
7511516310251
oct114226000051
928378106437
1010239868969
114385159130
121b9938a121
13c725c3785
146d1d62961
153ede903b4
hex262580029

10239868969 has 8 divisors (see below), whose sum is σ = 11213243712. Its totient is φ = 9273573840.

The previous prime is 10239868937. The next prime is 10239868973. The reversal of 10239868969 is 96986893201.

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 10239868969 - 25 = 10239868937 is a prime.

It is a super-2 number, since 2×102398689692 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10239868069) 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, 1766874 + ... + 1772659.

It is an arithmetic number, because the mean of its divisors is an integer number (1401655464).

Almost surely, 210239868969 is an apocalyptic number.

It is an amenable number.

10239868969 is a deficient number, since it is larger than the sum of its proper divisors (973374743).

10239868969 is a wasteful number, since it uses less digits than its factorization.

10239868969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539807.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The spelling of 10239868969 in words is "ten billion, two hundred thirty-nine million, eight hundred sixty-eight thousand, nine hundred sixty-nine".

Divisors: 1 11 263 2893 3539533 38934863 930897179 10239868969