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28479360000 = 210354713163
BaseRepresentation
bin11010100001100000…
…001000110000000000
32201111202221101110010
4122201200020300000
5431311204010000
621025551304520
72025513365040
oct324140106000
981452841403
1028479360000
1111094946763
12562981b140
1328bb327310
1415424d1720
15b1a3a3d50
hex6a1808c00

28479360000 has 880 divisors, whose sum is σ = 117460200704. Its totient is φ = 5971968000.

The previous prime is 28479359999. The next prime is 28479360031. The reversal of 28479360000 is 6397482.

It is a super-2 number, since 2×284793600002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 174719919 + ... + 174720081.

Almost surely, 228479360000 is an apocalyptic number.

28479360000 is a gapful number since it is divisible by the number (20) 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 28479360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58730100352).

28479360000 is an abundant number, since it is smaller than the sum of its proper divisors (88980840704).

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

28479360000 is a wasteful number, since it uses less digits than its factorization.

28479360000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 28479360000 in words is "twenty-eight billion, four hundred seventy-nine million, three hundred sixty thousand".