Base | Representation |
---|---|
bin | 10101100001000001001000… |
… | …10111000100000110110000 |
3 | 20012112011121220101021200000 |
4 | 22300200210113010012300 |
5 | 22200143002224234030 |
6 | 244343423155230000 |
7 | 12652215164162604 |
oct | 1260404427040660 |
9 | 205464556337600 |
10 | 47313969758640 |
11 | 14091818502092 |
12 | 53819208a8300 |
13 | 20528c3ca2a60 |
14 | b98018cd7504 |
15 | 570b29237860 |
hex | 2b08245c41b0 |
47313969758640 has 480 divisors, whose sum is σ = 177690503704896. Its totient is φ = 11631164129280.
The previous prime is 47313969758623. The next prime is 47313969758663. The reversal of 47313969758640 is 4685796931374.
47313969758640 is a `hidden beast` number, since 4 + 7 + 3 + 1 + 39 + 6 + 9 + 7 + 586 + 4 + 0 = 666.
It is a super-2 number, since 2×473139697586402 (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 an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 192196912 + ... + 192442928.
Almost surely, 247313969758640 is an apocalyptic number.
47313969758640 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 47313969758640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88845251852448).
47313969758640 is an abundant number, since it is smaller than the sum of its proper divisors (130376533946256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47313969758640 is a wasteful number, since it uses less digits than its factorization.
47313969758640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246819 (or 246801 counting only the distinct ones).
The product of its (nonzero) digits is 823011840, while the sum is 72.
The spelling of 47313969758640 in words is "forty-seven trillion, three hundred thirteen billion, nine hundred sixty-nine million, seven hundred fifty-eight thousand, six hundred forty".
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