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508992142561 = 71033229218629
BaseRepresentation
bin1110110100000100100…
…10111011110011100001
31210122210112111212212121
413122002102323303201
531314403442030221
61025454444024241
751526204553410
oct7320222736341
91718715455777
10508992142561
11186953882281
1282790532081
1338cc80a97a6
141a8c7591477
15d3902aba41
hex76824bbce1

508992142561 has 16 divisors (see below), whose sum is σ = 587537516800. Its totient is φ = 431907484608.

The previous prime is 508992142517. The next prime is 508992142583. The reversal of 508992142561 is 165241299805.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 508992142561 - 215 = 508992109793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 508992142499 and 508992142508.

It is not an unprimeable number, because it can be changed into a prime (508992142361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2218795 + ... + 2437423.

It is an arithmetic number, because the mean of its divisors is an integer number (36721094800).

Almost surely, 2508992142561 is an apocalyptic number.

It is an amenable number.

508992142561 is a deficient number, since it is larger than the sum of its proper divisors (78545374239).

508992142561 is a wasteful number, since it uses less digits than its factorization.

508992142561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221968.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 508992142561 in words is "five hundred eight billion, nine hundred ninety-two million, one hundred forty-two thousand, five hundred sixty-one".

Divisors: 1 7 103 721 3229 22603 218629 332587 1530403 2328109 22518787 157631509 705953041 4941671287 72713163223 508992142561