Search a number
-
+
12858938816 = 26200920919
BaseRepresentation
bin10111111100111001…
…11101010111000000
31020012011100202220012
423332130331113000
5202313342020231
65523551404052
7633441114353
oct137634752700
936164322805
1012858938816
1154a9599069
1225aa523628
13129c0b2649
1489db2a29a
15503d8ae2b
hex2fe73d5c0

12858938816 has 14 divisors (see below), whose sum is σ = 25516956840. Its totient is φ = 6429469376.

The previous prime is 12858938803. The next prime is 12858938837. The reversal of 12858938816 is 61883985821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100460396 + ... + 100460523.

Almost surely, 212858938816 is an apocalyptic number.

12858938816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12858938816 is a deficient number, since it is larger than the sum of its proper divisors (12658018024).

12858938816 is an equidigital number, since it uses as much as digits as its factorization.

12858938816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200920931 (or 200920921 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 59.

The spelling of 12858938816 in words is "twelve billion, eight hundred fifty-eight million, nine hundred thirty-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 32 64 200920919 401841838 803683676 1607367352 3214734704 6429469408 12858938816