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1479850353081 = 324054972
BaseRepresentation
bin10101100010001101111…
…101000110000110111001
312020110202022112000111100
4111202031331012012321
5143221213142244311
63051500040522013
7211626033312162
oct25421575060671
95213668460440
101479850353081
11520667a43431
121ba97aa80309
13a971aa346c9
14518a754c769
152876341da56
hex1588df461b9

1479850353081 has 9 divisors (see below), whose sum is σ = 2137566892591. Its totient is φ = 986564469072.

The previous prime is 1479850353071. The next prime is 1479850353103. The reversal of 1479850353081 is 1803530589741.

The square root of 1479850353081 is 1216491.

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

1479850353081 is a `hidden beast` number, since 1 + 4 + 7 + 9 + 8 + 503 + 53 + 0 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 312620765625 + 1167229587456 = 559125^2 + 1080384^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1479850353081 - 215 = 1479850320313 is a prime.

It is a super-2 number, since 2×14798503530812 (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 (1479850353041) 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, 3446725 + ... + 3852221.

Almost surely, 21479850353081 is an apocalyptic number.

1479850353081 is the 1216491-st square number.

1479850353081 is the 608246-th centered octagonal number.

It is an amenable number.

1479850353081 is a deficient number, since it is larger than the sum of its proper divisors (657716539510).

1479850353081 is an frugal number, since it uses more digits than its factorization.

1479850353081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811000 (or 405500 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 1479850353081 in words is "one trillion, four hundred seventy-nine billion, eight hundred fifty million, three hundred fifty-three thousand, eighty-one".

Divisors: 1 3 9 405497 1216491 3649473 164427817009 493283451027 1479850353081