Search a number
-
+
157087678716865 = 5134531953327159
BaseRepresentation
bin100011101101111011010011…
…010010011101101111000001
3202121012102202102102002002201
4203231323103102131233001
5131042211031222414430
61314033030000513201
745042132055624051
oct4355732322355701
9677172672362081
10157087678716865
1146064568406286
121575078991b801
1369863c60cc1a0
142ab1127141561
1513263272d28ca
hex8eded349dbc1

157087678716865 has 16 divisors (see below), whose sum is σ = 203010098860800. Its totient is φ = 116000647019712.

The previous prime is 157087678716821. The next prime is 157087678716919. The reversal of 157087678716865 is 568617876780751.

It is not a de Polignac number, because 157087678716865 - 237 = 156950239763393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23717845 + ... + 29609314.

It is an arithmetic number, because the mean of its divisors is an integer number (12688131178800).

Almost surely, 2157087678716865 is an apocalyptic number.

It is an amenable number.

157087678716865 is a deficient number, since it is larger than the sum of its proper divisors (45922420143935).

157087678716865 is a wasteful number, since it uses less digits than its factorization.

157087678716865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53372496.

The product of its (nonzero) digits is 6638284800, while the sum is 82.

The spelling of 157087678716865 in words is "one hundred fifty-seven trillion, eighty-seven billion, six hundred seventy-eight million, seven hundred sixteen thousand, eight hundred sixty-five".

Divisors: 1 5 13 65 45319 226595 589147 2945735 53327159 266635795 693253067 3466265335 2416733518721 12083667593605 31417535743373 157087678716865