Search a number
-
+
12864573402 = 232144095567
BaseRepresentation
bin10111111101100100…
…11100111111011010
31020012112222001002120
423332302130333122
5202321312322102
65524312242110
7633540032622
oct137662347732
936175861076
1012864573402
11550179744a
1225b03a0336
1312a0306215
148a0795882
155046006bc
hex2fec9cfda

12864573402 has 8 divisors (see below), whose sum is σ = 25729146816. Its totient is φ = 4288191132.

The previous prime is 12864573389. The next prime is 12864573427. The reversal of 12864573402 is 20437546821.

It is a sphenic number, since it is the product of 3 distinct primes.

12864573402 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072047778 + ... + 1072047789.

It is an arithmetic number, because the mean of its divisors is an integer number (3216143352).

Almost surely, 212864573402 is an apocalyptic number.

12864573402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12864573402 is a wasteful number, since it uses less digits than its factorization.

12864573402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144095572.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 12864573402 in words is "twelve billion, eight hundred sixty-four million, five hundred seventy-three thousand, four hundred two".

Divisors: 1 2 3 6 2144095567 4288191134 6432286701 12864573402