Base | Representation |
---|---|
bin | 100001111010111100… |
… | …1010011000100011010 |
3 | 20222000200120002112201 |
4 | 1003311321103010122 |
5 | 2143141244234340 |
6 | 53244155200414 |
7 | 5156110363252 |
oct | 1036571230432 |
9 | 228020502481 |
10 | 72844914970 |
11 | 28991067873 |
12 | 1214b74610a |
13 | 6b3b96c5a9 |
14 | 37507ac962 |
15 | 1d6526d79a |
hex | 10f5e5311a |
72844914970 has 16 divisors (see below), whose sum is σ = 134170169760. Its totient is φ = 28460338704.
The previous prime is 72844914959. The next prime is 72844914971. The reversal of 72844914970 is 7941944827.
It is not an unprimeable number, because it can be changed into a prime (72844914971) 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, 84702960 + ... + 84703819.
It is an arithmetic number, because the mean of its divisors is an integer number (8385635610).
Almost surely, 272844914970 is an apocalyptic number.
72844914970 is a deficient number, since it is larger than the sum of its proper divisors (61325254790).
72844914970 is a wasteful number, since it uses less digits than its factorization.
72844914970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169406829.
The product of its (nonzero) digits is 4064256, while the sum is 55.
The spelling of 72844914970 in words is "seventy-two billion, eight hundred forty-four million, nine hundred fourteen thousand, nine hundred seventy".
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