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56102463909 = 3229437963277
BaseRepresentation
bin110100001111111101…
…111010100110100101
312100210212200110100200
4310033331322212211
51404344212321114
641434554301113
74024162034502
oct641775724645
9170725613320
1056102463909
112187a418558
12aa58727799
1353a113290b
142a02db24a9
1516d54bc409
hexd0ff7a9a5

56102463909 has 48 divisors (see below), whose sum is σ = 86868038400. Its totient is φ = 34825085568.

The previous prime is 56102463899. The next prime is 56102463913. The reversal of 56102463909 is 90936420165.

56102463909 is a `hidden beast` number, since 5 + 6 + 1 + 0 + 2 + 4 + 639 + 0 + 9 = 666.

It is not a de Polignac number, because 56102463909 - 25 = 56102463877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56102463709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 854979 + ... + 918255.

It is an arithmetic number, because the mean of its divisors is an integer number (1809750800).

Almost surely, 256102463909 is an apocalyptic number.

It is an amenable number.

56102463909 is a deficient number, since it is larger than the sum of its proper divisors (30765574491).

56102463909 is a wasteful number, since it uses less digits than its factorization.

56102463909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63434 (or 63431 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 56102463909 in words is "fifty-six billion, one hundred two million, four hundred sixty-three thousand, nine hundred nine".

Divisors: 1 3 9 29 43 79 87 129 237 261 387 711 1247 2291 3397 3741 6873 10191 11223 20619 30573 63277 98513 189831 295539 569493 886617 1835033 2720911 4998883 5505099 8162733 14996649 16515297 24488199 44989947 78906419 144967607 214951969 236719257 434902821 644855907 710157771 1304708463 1934567721 6233607101 18700821303 56102463909