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47099672928 = 253271131131523
BaseRepresentation
bin101011110111010110…
…111111100101100000
311111120110100021211200
4223313112333211200
51232430004013203
633345353241200
73255113420460
oct536726774540
9144513307750
1047099672928
1118a7a5a0430
129165703200
134597c16169
1423cb471ba0
151359e3d9a3
hexaf75bf960

47099672928 has 576 divisors, whose sum is σ = 174024474624. Its totient is φ = 11726208000.

The previous prime is 47099672923. The next prime is 47099672929. The reversal of 47099672928 is 82927699074.

47099672928 is a `hidden beast` number, since 470 + 9 + 9 + 6 + 72 + 92 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47099672923) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90056475 + ... + 90056997.

It is an arithmetic number, because the mean of its divisors is an integer number (302125824).

Almost surely, 247099672928 is an apocalyptic number.

47099672928 is a gapful number since it is divisible by the number (48) 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 47099672928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87012237312).

47099672928 is an abundant number, since it is smaller than the sum of its proper divisors (126924801696).

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

47099672928 is a wasteful number, since it uses less digits than its factorization.

47099672928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

It can be divided in two parts, 47099 and 672928, that added together give a palindrome (720027).

The spelling of 47099672928 in words is "forty-seven billion, ninety-nine million, six hundred seventy-two thousand, nine hundred twenty-eight".