Search a number
-
+
108197738886871 = 4794872047722651
BaseRepresentation
bin11000100110011110111111…
…110010101011011011010111
3112012002121021110022011112201
4120212132333302223123113
5103140202432123334441
61022041204405225331
731535012556025114
oct3046367762533327
9465077243264481
10108197738886871
113152544898a877
1210175543a02247
13484b00677b0ba
141ca0b2714790b
15c79711419c31
hex6267bfcab6d7

108197738886871 has 16 divisors (see below), whose sum is σ = 108656359741440. Its totient is φ = 107740129471200.

The previous prime is 108197738886827. The next prime is 108197738886943. The reversal of 108197738886871 is 178688837791801.

It is a cyclic number.

It is not a de Polignac number, because 108197738886871 - 29 = 108197738886359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108197738881871) 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, 4776719896 + ... + 4776742546.

It is an arithmetic number, because the mean of its divisors is an integer number (6791022483840).

Almost surely, 2108197738886871 is an apocalyptic number.

108197738886871 is a deficient number, since it is larger than the sum of its proper divisors (458620854569).

108197738886871 is a wasteful number, since it uses less digits than its factorization.

108197738886871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44094.

The product of its (nonzero) digits is 1820786688, while the sum is 82.

The spelling of 108197738886871 in words is "one hundred eight trillion, one hundred ninety-seven billion, seven hundred thirty-eight million, eight hundred eighty-six thousand, eight hundred seventy-one".

Divisors: 1 479 487 20477 22651 233273 9808483 9972299 10849829 11031037 463824527 4776731221 5283866723 222171948433 225882544649 108197738886871