Search a number
-
+
83934474803699 = 13137271117383889
BaseRepresentation
bin10011000101011010000100…
…100011100001100111110011
3102000012001112212022212100212
4103011122010203201213303
542000140301022204244
6454302544310134335
723452031350133642
oct2305320443414763
9360161485285325
1083934474803699
112482045794aa13
1294b70919513ab
1337aacaa607440
1416a2643709359
159a84dd095d9e
hex4c56848e19f3

83934474803699 has 16 divisors (see below), whose sum is σ = 91084351901760. Its totient is φ = 76884069135360.

The previous prime is 83934474803687. The next prime is 83934474803723. The reversal of 83934474803699 is 99630847443938.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83934474803699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83934474803639) 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, 3863654 + ... + 13520235.

It is an arithmetic number, because the mean of its divisors is an integer number (5692771993860).

Almost surely, 283934474803699 is an apocalyptic number.

83934474803699 is a deficient number, since it is larger than the sum of its proper divisors (7149877098061).

83934474803699 is a wasteful number, since it uses less digits than its factorization.

83934474803699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17386750.

The product of its (nonzero) digits is 3386105856, while the sum is 77.

Adding to 83934474803699 its sum of digits (77), we get a square (83934474803776 = 91615762).

The spelling of 83934474803699 in words is "eighty-three trillion, nine hundred thirty-four billion, four hundred seventy-four million, eight hundred three thousand, six hundred ninety-nine".

Divisors: 1 13 137 1781 2711 35243 371407 4828291 17383889 225990557 2381592793 30960706309 47127723079 612660400027 6456498061823 83934474803699