Base | Representation |
---|---|
bin | 100011001110110110… |
… | …110110110110000101 |
3 | 10121122110020120011000 |
4 | 203032312312312011 |
5 | 1104434014202120 |
6 | 25213505003513 |
7 | 2506316415666 |
oct | 431666666605 |
9 | 117573216130 |
10 | 37830225285 |
11 | 150531a31a6 |
12 | 73b9323599 |
13 | 374b6a45b8 |
14 | 1b8c35b36d |
15 | eb628a990 |
hex | 8cedb6d85 |
37830225285 has 32 divisors (see below), whose sum is σ = 67295612160. Its totient is φ = 20163556800.
The previous prime is 37830225263. The next prime is 37830225299. The reversal of 37830225285 is 58252203873.
37830225285 is a `hidden beast` number, since 3 + 78 + 30 + 22 + 528 + 5 = 666.
It is not a de Polignac number, because 37830225285 - 218 = 37829963141 is a prime.
It is a super-2 number, since 2×378302252852 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 37830225285.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132400 + ... + 305270.
It is an arithmetic number, because the mean of its divisors is an integer number (2102987880).
Almost surely, 237830225285 is an apocalyptic number.
It is an amenable number.
37830225285 is a deficient number, since it is larger than the sum of its proper divisors (29465386875).
37830225285 is a wasteful number, since it uses less digits than its factorization.
37830225285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174506 (or 174500 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 45.
The spelling of 37830225285 in words is "thirty-seven billion, eight hundred thirty million, two hundred twenty-five thousand, two hundred eighty-five".
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