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428130624225 = 35226449215827
BaseRepresentation
bin1100011101011101001…
…00101110001011100001
31111221002011022010220010
412032232210232023201
524003302414433400
6524402553035133
742634322155503
oct6165644561341
91457064263803
10428130624225
11155629637777
126ab840b5aa9
13314ac632a15
1416a16235d73
15b20b363450
hex63ae92e2e1

428130624225 has 24 divisors (see below), whose sum is σ = 707872674400. Its totient is φ = 228326641920.

The previous prime is 428130624211. The next prime is 428130624247. The reversal of 428130624225 is 522426031824.

It is not a de Polignac number, because 428130624225 - 212 = 428130620129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1875762 + ... + 2091588.

Almost surely, 2428130624225 is an apocalyptic number.

It is an amenable number.

428130624225 is a deficient number, since it is larger than the sum of its proper divisors (279742050175).

428130624225 is a wasteful number, since it uses less digits than its factorization.

428130624225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242289 (or 242284 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 428130624225 in words is "four hundred twenty-eight billion, one hundred thirty million, six hundred twenty-four thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 26449 79347 132245 215827 396735 647481 661225 1079135 1983675 3237405 5395675 16187025 5708408323 17125224969 28542041615 85626124845 142710208075 428130624225