Search a number
-
+
161065076712 = 23361717108739
BaseRepresentation
bin1001011000000000111…
…0100000011111101000
3120101201220100122120120
42112000032200133220
510114330124423322
6201554155323240
714431225364061
oct2260016403750
9511656318516
10161065076712
1162342045051
1227270450520
131225ab10727
147b1d161568
1542ca225a5c
hex25803a07e8

161065076712 has 32 divisors (see below), whose sum is σ = 402672919200. Its totient is φ = 53686995264.

The previous prime is 161065076699. The next prime is 161065076713. The reversal of 161065076712 is 217670560161.

161065076712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161065076713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426839 + ... + 1535577.

It is an arithmetic number, because the mean of its divisors is an integer number (12583528725).

Almost surely, 2161065076712 is an apocalyptic number.

161065076712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161065076712 is an abundant number, since it is smaller than the sum of its proper divisors (241607842488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161065076712 is a wasteful number, since it uses less digits than its factorization.

161065076712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170465 (or 170461 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 161065076712 in words is "one hundred sixty-one billion, sixty-five million, seventy-six thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 61717 108739 123434 185151 217478 246868 326217 370302 434956 493736 652434 740604 869912 1304868 1481208 2609736 6711044863 13422089726 20133134589 26844179452 40266269178 53688358904 80532538356 161065076712