Search a number
-
+
80358911165 = 51316361912253
BaseRepresentation
bin100101011010111000…
…0111010110010111101
321200102100110122120002
41022311300322302331
52304033340124130
6100525534204045
75543240321561
oct1126560726275
9250370418502
1080358911165
1131097568385
12136a8053625
1377685bb0a0
143c646c56a1
152154c67b45
hex12b5c3acbd

80358911165 has 32 divisors (see below), whose sum is σ = 104662884480. Its totient is φ = 58877819136.

The previous prime is 80358911159. The next prime is 80358911179. The reversal of 80358911165 is 56111985308.

It is a cyclic number.

It is not a de Polignac number, because 80358911165 - 210 = 80358910141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6552179 + ... + 6564431.

It is an arithmetic number, because the mean of its divisors is an integer number (3270715140).

Almost surely, 280358911165 is an apocalyptic number.

It is an amenable number.

80358911165 is a deficient number, since it is larger than the sum of its proper divisors (24303973315).

80358911165 is a wasteful number, since it uses less digits than its factorization.

80358911165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13053.

The product of its (nonzero) digits is 259200, while the sum is 47.

The spelling of 80358911165 in words is "eighty billion, three hundred fifty-eight million, nine hundred eleven thousand, one hundred sixty-five".

Divisors: 1 5 13 65 163 619 815 2119 3095 8047 10595 12253 40235 61265 100897 159289 504485 796445 1311661 1997239 6558305 7584607 9986195 25964107 37923035 98599891 129820535 492999455 1236290941 6181454705 16071782233 80358911165