Search a number
-
+
3157638886109 = 291994813113683
BaseRepresentation
bin101101111100110001111…
…100011011001011011101
3102011212102021122102002102
4231330301330123023131
5403213321023323414
610414333235534445
7444063143452241
oct55746174331335
912155367572072
103157638886109
111008168917044
1242bb7aa5a425
1319b9c18776c6
14acb8add0421
155720dc8bede
hex2df31f1b2dd

3157638886109 has 16 divisors (see below), whose sum is σ = 3283648656000. Its totient is φ = 3032777474496.

The previous prime is 3157638886097. The next prime is 3157638886139. The reversal of 3157638886109 is 9016888367513.

It is a cyclic number.

It is not a de Polignac number, because 3157638886109 - 216 = 3157638820573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157638886139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27718982 + ... + 27832664.

It is an arithmetic number, because the mean of its divisors is an integer number (205228041000).

Almost surely, 23157638886109 is an apocalyptic number.

It is an amenable number.

3157638886109 is a deficient number, since it is larger than the sum of its proper divisors (126009769891).

3157638886109 is a wasteful number, since it uses less digits than its factorization.

3157638886109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118724.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 3157638886109 in words is "three trillion, one hundred fifty-seven billion, six hundred thirty-eight million, eight hundred eighty-six thousand, one hundred nine".

Divisors: 1 29 199 4813 5771 113683 139577 957787 3296807 22622917 27775823 547156279 656064593 15867532091 108884099521 3157638886109