Search a number
-
+
83085352811857 = 1132573314969959
BaseRepresentation
bin10010111001000011010000…
…111100001011110101010001
3101220011212211002111101112001
4102321003100330023311101
541342232300304434412
6452412514551034001
723333501332241464
oct2271032074136521
9356155732441461
1083085352811857
11245233336a4750
12939a5b866b901
133748bb8784806
1416734d14c72db
15991392544957
hex4b90d0f0bd51

83085352811857 has 16 divisors (see below), whose sum is σ = 90670426704000. Its totient is φ = 75505591047040.

The previous prime is 83085352811803. The next prime is 83085352811887. The reversal of 83085352811857 is 75811825358038.

It is a happy number.

It is not a de Polignac number, because 83085352811857 - 215 = 83085352779089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83085352811887) 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, 1187594244 + ... + 1187664202.

It is an arithmetic number, because the mean of its divisors is an integer number (5666901669000).

Almost surely, 283085352811857 is an apocalyptic number.

It is an amenable number.

83085352811857 is a deficient number, since it is larger than the sum of its proper divisors (7585073892143).

83085352811857 is a wasteful number, since it uses less digits than its factorization.

83085352811857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106376.

The product of its (nonzero) digits is 64512000, while the sum is 64.

The spelling of 83085352811857 in words is "eighty-three trillion, eighty-five billion, three hundred fifty-two million, eight hundred eleven thousand, eight hundred fifty-seven".

Divisors: 1 11 3257 33149 35827 69959 364639 769549 107966293 227856463 1187629223 2319070891 2506421093 25509779801 7553213891987 83085352811857