Base | Representation |
---|---|
bin | 100001101000001010… |
… | …1100000000110110000 |
3 | 20220101202211121220101 |
4 | 1003100111200012300 |
5 | 2140343440233232 |
6 | 53101445122144 |
7 | 5134356311161 |
oct | 1032025400660 |
9 | 226352747811 |
10 | 72214774192 |
11 | 286983a2770 |
12 | 11bb46b9354 |
13 | 6a6b24c922 |
14 | 36d0c1b768 |
15 | 1d29c9a1e7 |
hex | 10d05601b0 |
72214774192 has 40 divisors (see below), whose sum is σ = 152741362320. Its totient is φ = 32802190080.
The previous prime is 72214774189. The next prime is 72214774207. The reversal of 72214774192 is 29147741227.
It is a super-2 number, since 2×722147741922 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114534 + ... + 396922.
It is an arithmetic number, because the mean of its divisors is an integer number (3818534058).
Almost surely, 272214774192 is an apocalyptic number.
It is an amenable number.
72214774192 is an abundant number, since it is smaller than the sum of its proper divisors (80526588128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72214774192 is a wasteful number, since it uses less digits than its factorization.
72214774192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283861 (or 283855 counting only the distinct ones).
The product of its digits is 395136, while the sum is 46.
The spelling of 72214774192 in words is "seventy-two billion, two hundred fourteen million, seven hundred seventy-four thousand, one hundred ninety-two".
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