Base | Representation |
---|---|
bin | 100011010111001011… |
… | …110000000000001001 |
3 | 10122000012002210021200 |
4 | 203113023300000021 |
5 | 1110230244420014 |
6 | 25235415054413 |
7 | 2512633665150 |
oct | 432713600011 |
9 | 118005083250 |
10 | 37969920009 |
11 | 1511503698a |
12 | 7438071409 |
13 | 37716059b8 |
14 | 1ba2b22597 |
15 | ec3681a09 |
hex | 8d72f0009 |
37969920009 has 24 divisors (see below), whose sum is σ = 62688005952. Its totient is φ = 21694500000.
The previous prime is 37969919963. The next prime is 37969920013. The reversal of 37969920009 is 90002996973.
37969920009 is a `hidden beast` number, since 379 + 69 + 9 + 200 + 0 + 9 = 666.
It is not a de Polignac number, because 37969920009 - 221 = 37967822857 is a prime.
It is not an unprimeable number, because it can be changed into a prime (37969920029) 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, 576259 + ... + 638759.
It is an arithmetic number, because the mean of its divisors is an integer number (2612000248).
Almost surely, 237969920009 is an apocalyptic number.
It is an amenable number.
37969920009 is a deficient number, since it is larger than the sum of its proper divisors (24718085943).
37969920009 is a wasteful number, since it uses less digits than its factorization.
37969920009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72157 (or 72154 counting only the distinct ones).
The product of its (nonzero) digits is 1653372, while the sum is 54.
The spelling of 37969920009 in words is "thirty-seven billion, nine hundred sixty-nine million, nine hundred twenty thousand, nine".
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