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131045400250155 = 32520691407501211
BaseRepresentation
bin11101110010111101100010…
…100010000000011100101011
3122011222211002021000101022100
4131302331202202000130223
5114134021434431001110
61142413231545224443
736413501116212036
oct3562754242003453
9564884067011270
10131045400250155
1138834051105016
1212845587492123
1358176b3660271
1424508ba0a201d
151023bd1960bc0
hex772f6288072b

131045400250155 has 24 divisors (see below), whose sum is σ = 227255145689520. Its totient is φ = 69857100054720.

The previous prime is 131045400250139. The next prime is 131045400250201. The reversal of 131045400250155 is 551052004540131.

131045400250155 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 454 + 0 + 0 + 2 + 50 + 155 = 666.

It is not a de Polignac number, because 131045400250155 - 24 = 131045400250139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703657501 + ... + 703843710.

It is an arithmetic number, because the mean of its divisors is an integer number (9468964403730).

Almost surely, 2131045400250155 is an apocalyptic number.

131045400250155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131045400250155 is a deficient number, since it is larger than the sum of its proper divisors (96209745439365).

131045400250155 is a wasteful number, since it uses less digits than its factorization.

131045400250155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407503291 (or 1407503288 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 131045400250155 its reverse (551052004540131), we get a palindrome (682097404790286).

The spelling of 131045400250155 in words is "one hundred thirty-one trillion, forty-five billion, four hundred million, two hundred fifty thousand, one hundred fifty-five".

Divisors: 1 3 5 9 15 45 2069 6207 10345 18621 31035 93105 1407501211 4222503633 7037506055 12667510899 21112518165 63337554495 2912120005559 8736360016677 14560600027795 26209080050031 43681800083385 131045400250155