Base | Representation |
---|---|
bin | 1010100010001110101… |
… | …1110100001111010000 |
3 | 122022011022120020000112 |
4 | 2220203223310033100 |
5 | 10431130223041102 |
6 | 215051110140452 |
7 | 16035014536640 |
oct | 2504353641720 |
9 | 568138506015 |
10 | 180987315152 |
11 | 6a835691716 |
12 | 2b0b0351728 |
13 | 140b435cab7 |
14 | 8a8cda4520 |
15 | 4a94231252 |
hex | 2a23af43d0 |
180987315152 has 40 divisors (see below), whose sum is σ = 424331608896. Its totient is φ = 73003286016.
The previous prime is 180987315151. The next prime is 180987315161. The reversal of 180987315152 is 251513789081.
It is a self number, because there is not a number n which added to its sum of digits gives 180987315152.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180987315151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47526278 + ... + 47530085.
Almost surely, 2180987315152 is an apocalyptic number.
It is an amenable number.
180987315152 is an abundant number, since it is smaller than the sum of its proper divisors (243344293744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180987315152 is a wasteful number, since it uses less digits than its factorization.
180987315152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95056395 (or 95056389 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 50.
The spelling of 180987315152 in words is "one hundred eighty billion, nine hundred eighty-seven million, three hundred fifteen thousand, one hundred fifty-two".
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