Base | Representation |
---|---|
bin | 111111001111111001… |
… | …000000011011110000 |
3 | 20111021221001011210210 |
4 | 333033321000123300 |
5 | 2103041024242021 |
6 | 51110513024120 |
7 | 4622634225000 |
oct | 771771003360 |
9 | 214257034723 |
10 | 67912337136 |
11 | 2688a820066 |
12 | 111b3855040 |
13 | 6533a89097 |
14 | 340365c000 |
15 | 1b771d3e76 |
hex | fcfe406f0 |
67912337136 has 80 divisors (see below), whose sum is σ = 204595040000. Its totient is φ = 19403520192.
The previous prime is 67912337131. The next prime is 67912337159. The reversal of 67912337136 is 63173321976.
It is a super-2 number, since 2×679123371362 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67912337131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2045986 + ... + 2078913.
It is an arithmetic number, because the mean of its divisors is an integer number (2557438000).
Almost surely, 267912337136 is an apocalyptic number.
It is an amenable number.
67912337136 is an abundant number, since it is smaller than the sum of its proper divisors (136682702864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67912337136 is a wasteful number, since it uses less digits than its factorization.
67912337136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4124931 (or 4124911 counting only the distinct ones).
The product of its digits is 857304, while the sum is 48.
The spelling of 67912337136 in words is "sixty-seven billion, nine hundred twelve million, three hundred thirty-seven thousand, one hundred thirty-six".
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