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3245131072989 = 3213176126746541
BaseRepresentation
bin101111001110010000111…
…000101000010111011101
3102111020020202122000100100
4233032100320220113131
5411132012023313424
610522443113051313
7453311241666261
oct57162070502735
912436222560310
103245131072989
111041285988003
12444b179b6b39
131a7025c631a0
14b30cac060a1
155962ed97dc9
hex2f390e285dd

3245131072989 has 48 divisors (see below), whose sum is σ = 5432543638704. Its totient is φ = 1848720844800.

The previous prime is 3245131072969. The next prime is 3245131072991. The reversal of 3245131072989 is 9892701315423.

3245131072989 is a `hidden beast` number, since 3 + 2 + 451 + 3 + 107 + 2 + 9 + 89 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 10410120900 + 3234720952089 = 102030^2 + 1798533^2 .

It is not a de Polignac number, because 3245131072989 - 27 = 3245131072861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245131072969) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13251942 + ... + 13494599.

It is an arithmetic number, because the mean of its divisors is an integer number (113177992473).

Almost surely, 23245131072989 is an apocalyptic number.

3245131072989 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3245131072989 is a deficient number, since it is larger than the sum of its proper divisors (2187412565715).

3245131072989 is a wasteful number, since it uses less digits than its factorization.

3245131072989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26746638 (or 26746635 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 3245131072989 in words is "three trillion, two hundred forty-five billion, one hundred thirty-one million, seventy-two thousand, nine hundred eighty-nine".

Divisors: 1 3 9 13 17 39 51 61 117 153 183 221 549 663 793 1037 1989 2379 3111 7137 9333 13481 40443 121329 26746541 80239623 240718869 347705033 454691197 1043115099 1364073591 1631539001 3129345297 4092220773 4894617003 5910985561 14683851009 17732956683 21210007013 27736163017 53198870049 63630021039 83208489051 190890063117 249625467153 360570119221 1081710357663 3245131072989