Base | Representation |
---|---|
bin | 111111011101110000… |
… | …1010111110101110100 |
3 | 111000210021211002222111 |
4 | 1332323201113311310 |
5 | 4213110224331342 |
6 | 142335533140404 |
7 | 12563252341303 |
oct | 1767341276564 |
9 | 430707732874 |
10 | 136290073972 |
11 | 52889214878 |
12 | 224b732a704 |
13 | cb100a43b0 |
14 | 684ca2643a |
15 | 382a199217 |
hex | 1fbb857d74 |
136290073972 has 96 divisors (see below), whose sum is σ = 280001272320. Its totient is φ = 57503779200.
The previous prime is 136290073961. The next prime is 136290073979. The reversal of 136290073972 is 279370092631.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (136290073979) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3506847 + ... + 3545497.
It is an arithmetic number, because the mean of its divisors is an integer number (2916679920).
Almost surely, 2136290073972 is an apocalyptic number.
It is an amenable number.
136290073972 is an abundant number, since it is smaller than the sum of its proper divisors (143711198348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
136290073972 is a wasteful number, since it uses less digits than its factorization.
136290073972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38813 (or 38811 counting only the distinct ones).
The product of its (nonzero) digits is 857304, while the sum is 49.
The spelling of 136290073972 in words is "one hundred thirty-six billion, two hundred ninety million, seventy-three thousand, nine hundred seventy-two".
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