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48158737920 = 29345271857
BaseRepresentation
bin101100110110011111…
…000000011000000000
311121022021011100220000
4230312133000120000
51242112114103140
634042424520000
73323263342506
oct546637003000
9147267140800
1048158737920
1119473396657
129400320000
134706463837
14248bd96676
1513bcddaa30
hexb367c0600

48158737920 has 400 divisors, whose sum is σ = 173327888448. Its totient is φ = 12780011520.

The previous prime is 48158737903. The next prime is 48158737951. The reversal of 48158737920 is 2973785184.

It is a happy number.

48158737920 is a `hidden beast` number, since 4 + 8 + 1 + 587 + 37 + 9 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 56194132 + ... + 56194988.

Almost surely, 248158737920 is an apocalyptic number.

48158737920 is a gapful number since it is divisible by the number (40) 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 48158737920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86663944224).

48158737920 is an abundant number, since it is smaller than the sum of its proper divisors (125169150528).

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

48158737920 is an equidigital number, since it uses as much as digits as its factorization.

48158737920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 48158737920 in words is "forty-eight billion, one hundred fifty-eight million, seven hundred thirty-seven thousand, nine hundred twenty".