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405514245425 = 5216220569817
BaseRepresentation
bin1011110011010101000…
…10000101010100110001
31102202200222121001122212
411321222202011110301
523120443121323200
6510142441341505
741204010133202
oct5715242052461
91382628531585
10405514245425
11146a83246623
1266711a97895
132c316b9c063
14158ac6875a9
15a835a7e035
hex5e6a885531

405514245425 has 6 divisors (see below), whose sum is σ = 502837664358. Its totient is φ = 324411396320.

The previous prime is 405514245419. The next prime is 405514245449. The reversal of 405514245425 is 524542415504.

It can be written as a sum of positive squares in 3 ways, for example, as 49674304 + 405464571121 = 7048^2 + 636761^2 .

It is a de Polignac number, because none of the positive numbers 2k-405514245425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8110284884 + ... + 8110284933.

It is an arithmetic number, because the mean of its divisors is an integer number (83806277393).

Almost surely, 2405514245425 is an apocalyptic number.

It is an amenable number.

405514245425 is a deficient number, since it is larger than the sum of its proper divisors (97323418933).

405514245425 is a wasteful number, since it uses less digits than its factorization.

405514245425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16220569827 (or 16220569822 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 41.

The spelling of 405514245425 in words is "four hundred five billion, five hundred fourteen million, two hundred forty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 16220569817 81102849085 405514245425