Base | Representation |
---|---|
bin | 100001000001000110… |
… | …0010000100010001110 |
3 | 20210000101212121000000 |
4 | 1002002030100202032 |
5 | 2130202323301040 |
6 | 52323412545130 |
7 | 5060026513644 |
oct | 1020214204216 |
9 | 223011777000 |
10 | 70903728270 |
11 | 28085340541 |
12 | 118a96221a6 |
13 | 68bc747ccb |
14 | 3608a63194 |
15 | 1c9eb27130 |
hex | 108231088e |
70903728270 has 56 divisors (see below), whose sum is σ = 191352550536. Its totient is φ = 18907658928.
The previous prime is 70903728227. The next prime is 70903728323. The reversal of 70903728270 is 7282730907.
70903728270 is a `hidden beast` number, since 7 + 0 + 9 + 0 + 372 + 8 + 270 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4855792 + ... + 4870371.
It is an arithmetic number, because the mean of its divisors is an integer number (3417009831).
Almost surely, 270903728270 is an apocalyptic number.
70903728270 is an abundant number, since it is smaller than the sum of its proper divisors (120448822266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70903728270 is an equidigital number, since it uses as much as digits as its factorization.
70903728270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9726188 (or 9726173 counting only the distinct ones).
The product of its (nonzero) digits is 296352, while the sum is 45.
The spelling of 70903728270 in words is "seventy billion, nine hundred three million, seven hundred twenty-eight thousand, two hundred seventy".
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