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131535250340 = 22513590385703
BaseRepresentation
bin111101010000000011…
…1001010001110100100
3110120111220210001011112
41322200013022032210
54123341011002330
6140232040524152
712334365115604
oct1724007121644
9416456701145
10131535250340
115086924646a
12215aaa80658
13c532c897a0
14651b346c04
15364ca22795
hex1ea01ca3a4

131535250340 has 48 divisors (see below), whose sum is σ = 297525892608. Its totient is φ = 48558067584.

The previous prime is 131535250337. The next prime is 131535250369. The reversal of 131535250340 is 43052535131.

It is a junction number, because it is equal to n+sod(n) for n = 131535250297 and 131535250306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491929 + ... + 1577631.

It is an arithmetic number, because the mean of its divisors is an integer number (6198456096).

Almost surely, 2131535250340 is an apocalyptic number.

131535250340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131535250340 is an abundant number, since it is smaller than the sum of its proper divisors (165990642268).

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

131535250340 is a wasteful number, since it uses less digits than its factorization.

131535250340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91628 (or 91626 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 131535250340 its reverse (43052535131), we get a palindrome (174587785471).

The spelling of 131535250340 in words is "one hundred thirty-one billion, five hundred thirty-five million, two hundred fifty thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 5903 11806 23612 29515 59030 76739 85703 118060 153478 171406 306956 342812 383695 428515 767390 857030 1114139 1534780 1714060 2228278 4456556 5570695 11141390 22282780 505904809 1011809618 2023619236 2529524045 5059048090 6576762517 10118096180 13153525034 26307050068 32883812585 65767625170 131535250340