Search a number
-
+
23658693929 = 136132968841
BaseRepresentation
bin10110000010001010…
…110000010100101001
32021001211000011210022
4112002022300110221
5341423111201204
614511343530225
71465166403023
oct260212602451
967054004708
1023658693929
11a040796a12
1247032b9975
1323006983a0
141206193013
159370735be
hex5822b0529

23658693929 has 8 divisors (see below), whose sum is σ = 25520165832. Its totient is φ = 21803160960.

The previous prime is 23658693907. The next prime is 23658693937. The reversal of 23658693929 is 92939685632.

It can be written as a sum of positive squares in 4 ways, for example, as 2715904 + 23655978025 = 1648^2 + 153805^2 .

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 23658693929 - 28 = 23658693673 is a prime.

It is a super-2 number, since 2×236586939292 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23658693979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476452 + ... + 1492389.

It is an arithmetic number, because the mean of its divisors is an integer number (3190020729).

Almost surely, 223658693929 is an apocalyptic number.

It is an amenable number.

23658693929 is a deficient number, since it is larger than the sum of its proper divisors (1861471903).

23658693929 is a wasteful number, since it uses less digits than its factorization.

23658693929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969467.

The product of its digits is 37791360, while the sum is 62.

The spelling of 23658693929 in words is "twenty-three billion, six hundred fifty-eight million, six hundred ninety-three thousand, nine hundred twenty-nine".

Divisors: 1 13 613 7969 2968841 38594933 1819899533 23658693929