Base | Representation |
---|---|
bin | 1000011101100… |
… | …11010000001100 |
3 | 11221120121100021 |
4 | 10032303100030 |
5 | 121133120222 |
6 | 11013311524 |
7 | 1521252316 |
oct | 416632014 |
9 | 157517307 |
10 | 70988812 |
11 | 37086a44 |
12 | 1b9355a4 |
13 | 1192691b |
14 | 95dc7b6 |
15 | 6373ac7 |
hex | 43b340c |
70988812 has 6 divisors (see below), whose sum is σ = 124230428. Its totient is φ = 35494404.
The previous prime is 70988789. The next prime is 70988837. The reversal of 70988812 is 21888907.
It is a super-2 number, since 2×709888122 = 10078822858342688, which contains 22 as substring.
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 as a sum of consecutive naturals, namely, 8873598 + ... + 8873605.
Almost surely, 270988812 is an apocalyptic number.
It is an amenable number.
70988812 is a deficient number, since it is larger than the sum of its proper divisors (53241616).
70988812 is a wasteful number, since it uses less digits than its factorization.
70988812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17747207 (or 17747205 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 43.
The square root of 70988812 is about 8425.4858613613. The cubic root of 70988812 is about 414.0600238143.
The spelling of 70988812 in words is "seventy million, nine hundred eighty-eight thousand, eight hundred twelve".
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