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5157841920 = 21035731189
BaseRepresentation
bin1001100110110111…
…00110110000000000
3111022110101111222020
410303123212300000
541030401420140
62211450241440
7241546635000
oct46333466000
914273344866
105157841920
112207515a80
12bbb426280
13642774c8a
1436d02c000
15202c346d0
hex1336e6c00

5157841920 has 704 divisors, whose sum is σ = 21223296000. Its totient is φ = 1059717120.

The previous prime is 5157841919. The next prime is 5157841933. The reversal of 5157841920 is 291487515.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 57953236 + ... + 57953324.

Almost surely, 25157841920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5157841920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10611648000).

5157841920 is an abundant number, since it is smaller than the sum of its proper divisors (16065454080).

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

5157841920 is a wasteful number, since it uses less digits than its factorization.

5157841920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 5157841920 is about 71818.1169343781. The cubic root of 5157841920 is about 1727.7835805779.

The spelling of 5157841920 in words is "five billion, one hundred fifty-seven million, eight hundred forty-one thousand, nine hundred twenty".