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47139904376928 = 253211172971425107
BaseRepresentation
bin10101011011111100111010…
…10000010101000001100000
320011220112022222122201020200
422231332131100111001200
522134320011010030203
6244131434554105200
712633513526640616
oct1255763520250140
9204815288581220
1047139904376928
1114024a150a4520
12535404271b200
13203c373a1487c
14b8d82536b6b6
1556b33ca4e9a3
hex2adf9d415060

47139904376928 has 576 divisors, whose sum is σ = 162439140165120. Its totient is φ = 12798071193600.

The previous prime is 47139904376897. The next prime is 47139904376947. The reversal of 47139904376928 is 82967340993174.

It is a happy number.

47139904376928 is a `hidden beast` number, since 4 + 7 + 13 + 9 + 90 + 437 + 6 + 92 + 8 = 666.

It is a super-2 number, since 2×471399043769282 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 110676951 + ... + 111102057.

It is an arithmetic number, because the mean of its divisors is an integer number (282012396120).

Almost surely, 247139904376928 is an apocalyptic number.

47139904376928 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 47139904376928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81219570082560).

47139904376928 is an abundant number, since it is smaller than the sum of its proper divisors (115299235788192).

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

47139904376928 is a wasteful number, since it uses less digits than its factorization.

47139904376928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425251 (or 425240 counting only the distinct ones).

The product of its (nonzero) digits is 493807104, while the sum is 72.

The spelling of 47139904376928 in words is "forty-seven trillion, one hundred thirty-nine billion, nine hundred four million, three hundred seventy-six thousand, nine hundred twenty-eight".