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6494901480 = 233251929137239
BaseRepresentation
bin1100000110010000…
…00101010011101000
3121202122022011212200
412003020011103220
5101300143321410
62552252140200
7316643515554
oct60310052350
917678264780
106494901480
112833225681
121313167660
137c6787292
14458838864
152802e53c0
hex1832054e8

6494901480 has 384 divisors, whose sum is σ = 23250240000. Its totient is φ = 1566093312.

The previous prime is 6494901467. The next prime is 6494901533. The reversal of 6494901480 is 841094946.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27175201 + ... + 27175439.

It is an arithmetic number, because the mean of its divisors is an integer number (60547500).

Almost surely, 26494901480 is an apocalyptic number.

6494901480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6494901480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11625120000).

6494901480 is an abundant number, since it is smaller than the sum of its proper divisors (16755338520).

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

6494901480 is a wasteful number, since it uses less digits than its factorization.

6494901480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 6494901480 is about 80590.9516012809. The cubic root of 6494901480 is about 1865.7674948020.

The spelling of 6494901480 in words is "six billion, four hundred ninety-four million, nine hundred one thousand, four hundred eighty".