Search a number
-
+
15680842702 = 2721391151141
BaseRepresentation
bin11101001101010011…
…01010101111001110
31111110211021100021221
432212221222233032
5224103243431302
611111554513554
71063404651400
oct164651525716
944424240257
1015680842702
116717477238
1230575958ba
13162b90b765
14a8a812b70
1561b9a0937
hex3a6a6abce

15680842702 has 24 divisors (see below), whose sum is σ = 27558339480. Its totient is φ = 6672007440.

The previous prime is 15680842699. The next prime is 15680842711. The reversal of 15680842702 is 20724808651.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561949 + ... + 589192.

It is an arithmetic number, because the mean of its divisors is an integer number (1148264145).

Almost surely, 215680842702 is an apocalyptic number.

15680842702 is a deficient number, since it is larger than the sum of its proper divisors (11877496778).

15680842702 is a wasteful number, since it uses less digits than its factorization.

15680842702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151296 (or 1151289 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 15680842702 in words is "fifteen billion, six hundred eighty million, eight hundred forty-two thousand, seven hundred two".

Divisors: 1 2 7 14 49 98 139 278 973 1946 6811 13622 1151141 2302282 8057987 16115974 56405909 112811818 160008599 320017198 1120060193 2240120386 7840421351 15680842702