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427625425640232 = 23343889169687781
BaseRepresentation
bin110000100111011000100110…
…1100101111001101100101000
32002002002120222011101000010000
41201032301031211321230220
5422022203332430441412
64113252224124423000
7156033626455315461
oct14116611545715450
92062076864330100
10427625425640232
11114288a19669386
123bb648099a7a60
131547bb9b56bb31
147785276a85d68
1534687ba77e4dc
hex184ec4d979b28

427625425640232 has 80 divisors (see below), whose sum is σ = 1198055131643700. Its totient is φ = 142505155146240.

The previous prime is 427625425640219. The next prime is 427625425640261. The reversal of 427625425640232 is 232046524526724.

427625425640232 is a `hidden beast` number, since 4 + 2 + 7 + 6 + 2 + 5 + 42 + 564 + 0 + 2 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 362493649818756 + 65131775821476 = 19039266^2 + 8070426^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 82323819 + ... + 87363962.

Almost surely, 2427625425640232 is an apocalyptic number.

It is an amenable number.

427625425640232 is an abundant number, since it is smaller than the sum of its proper divisors (770429706003468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427625425640232 is a wasteful number, since it uses less digits than its factorization.

427625425640232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169691688 (or 169691675 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 54.

The spelling of 427625425640232 in words is "four hundred twenty-seven trillion, six hundred twenty-five billion, four hundred twenty-five million, six hundred forty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 3889 7778 11667 15556 23334 31112 35001 46668 70002 93336 105003 140004 210006 280008 315009 420012 630018 840024 1260036 2520072 169687781 339375562 509063343 678751124 1018126686 1357502248 1527190029 2036253372 3054380058 4072506744 4581570087 6108760116 9163140174 12217520232 13744710261 18326280348 27489420522 36652560696 54978841044 109957682088 659915780309 1319831560618 1979747340927 2639663121236 3959494681854 5279326242472 5939242022781 7918989363708 11878484045562 15837978727416 17817726068343 23756968091124 35635452136686 47513936182248 53453178205029 71270904273372 106906356410058 142541808546744 213812712820116 427625425640232