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648080807460 = 223595311334047
BaseRepresentation
bin10010110111001001010…
…00000101011000100100
32021221210212101010212220
421123210220011120210
541104232141314320
61213420232512340
764552021654152
oct11334450053044
92257725333786
10648080807460
1122a9387a1909
12a5728b4b6b0
1349162c06938
142351db523d2
1511cd0eb2e40
hex96e4a05624

648080807460 has 48 divisors (see below), whose sum is σ = 1816530541056. Its totient is φ = 172640188672.

The previous prime is 648080807459. The next prime is 648080807461. The reversal of 648080807460 is 64708080846.

It is an interprime number because it is at equal distance from previous prime (648080807459) and next prime (648080807461).

It is not an unprimeable number, because it can be changed into a prime (648080807461) 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, 5609844 + ... + 5724203.

It is an arithmetic number, because the mean of its divisors is an integer number (37844386272).

Almost surely, 2648080807460 is an apocalyptic number.

648080807460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

648080807460 is an abundant number, since it is smaller than the sum of its proper divisors (1168449733596).

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

648080807460 is a wasteful number, since it uses less digits than its factorization.

648080807460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11335012 (or 11335010 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 648080807460 in words is "six hundred forty-eight billion, eighty million, eight hundred seven thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 953 1906 2859 3812 4765 5718 9530 11436 14295 19060 28590 57180 11334047 22668094 34002141 45336188 56670235 68004282 113340470 136008564 170010705 226680940 340021410 680042820 10801346791 21602693582 32404040373 43205387164 54006733955 64808080746 108013467910 129616161492 162020201865 216026935820 324040403730 648080807460