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1536090050881 = 131294612
BaseRepresentation
bin10110010110100110000…
…110100001000101000001
312102211220202102200100201
4112112212012201011001
5200131403023112011
63133400420445201
7215656512666541
oct26264606410501
95384822380321
101536090050881
115424a7873821
12209855549801
13b1b114165b9
14544c0845321
1529e55997cc1
hex165a61a1141

1536090050881 has 9 divisors (see below), whose sum is σ = 1548069066019. Its totient is φ = 1524203051800.

The previous prime is 1536090050867. The next prime is 1536090050921. The reversal of 1536090050881 is 1880500906351.

The square root of 1536090050881 is 1239391.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1157003560881 + 379086490000 = 1075641^2 + 615700^2 .

It is not a de Polignac number, because 1536090050881 - 211 = 1536090048833 is a prime.

It is a super-2 number, since 2×15360900508812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1536090050381) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 162355491 + ... + 162364951.

Almost surely, 21536090050881 is an apocalyptic number.

1536090050881 is the 1239391-st square number.

1536090050881 is the 619696-th centered octagonal number.

It is an amenable number.

1536090050881 is a deficient number, since it is larger than the sum of its proper divisors (11979015138).

1536090050881 is an frugal number, since it uses more digits than its factorization.

1536090050881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19184 (or 9592 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 1536090050881 in words is "one trillion, five hundred thirty-six billion, ninety million, fifty thousand, eight hundred eighty-one".

Divisors: 1 131 9461 17161 1239391 89510521 162360221 11725878251 1536090050881