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500221428000 = 25353750311839
BaseRepresentation
bin1110100011101111000…
…01010100000100100000
31202211011021212102100120
413101313201110010200
531143423141144000
61021444253120240
751065644661130
oct7216741240440
91684137772316
10500221428000
11183162a56648
1280b43189080
133822ac98468
141a2d47c2ac0
15d02a2c16a0
hex7477854120

500221428000 has 384 divisors, whose sum is σ = 1876710850560. Its totient is φ = 114099379200.

The previous prime is 500221427957. The next prime is 500221428041. The reversal of 500221428000 is 824122005.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42246081 + ... + 42257919.

It is an arithmetic number, because the mean of its divisors is an integer number (4887267840).

Almost surely, 2500221428000 is an apocalyptic number.

500221428000 is a gapful number since it is divisible by the number (50) 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 500221428000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938355425280).

500221428000 is an abundant number, since it is smaller than the sum of its proper divisors (1376489422560).

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

500221428000 is a wasteful number, since it uses less digits than its factorization.

500221428000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12377 (or 12359 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The spelling of 500221428000 in words is "five hundred billion, two hundred twenty-one million, four hundred twenty-eight thousand".