Base | Representation |
---|---|
bin | 10011010000000011010… |
… | …00000101101110110000 |
3 | 2100020022202002210202200 |
4 | 21220001220011232300 |
5 | 41314123234000112 |
6 | 1223511133143200 |
7 | 65534255233560 |
oct | 11500150055660 |
9 | 2306282083680 |
10 | 661452250032 |
11 | 23557a6075a2 |
12 | a823b02ab00 |
13 | 4a4b422b732 |
14 | 2402b96ada0 |
15 | 12314d36cdc |
hex | 9a01a05bb0 |
661452250032 has 120 divisors (see below), whose sum is σ = 2128576929024. Its totient is φ = 187826884992.
The previous prime is 661452250021. The next prime is 661452250037. The reversal of 661452250032 is 230052254166.
661452250032 is a `hidden beast` number, since 6 + 6 + 145 + 2 + 2 + 500 + 3 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (661452250037) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1848588 + ... + 2177195.
Almost surely, 2661452250032 is an apocalyptic number.
It is an amenable number.
661452250032 is an abundant number, since it is smaller than the sum of its proper divisors (1467124678992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
661452250032 is a wasteful number, since it uses less digits than its factorization.
661452250032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4025967 (or 4025958 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
The spelling of 661452250032 in words is "six hundred sixty-one billion, four hundred fifty-two million, two hundred fifty thousand, thirty-two".
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