Base | Representation |
---|---|
bin | 1011000100001001… |
… | …1000011111110000 |
3 | 21122222221101020210 |
4 | 2301002120133300 |
5 | 22040332114411 |
6 | 1210421304120 |
7 | 133414133322 |
oct | 26102303760 |
9 | 7588841223 |
10 | 2970191856 |
11 | 1294661115 |
12 | 6aa865040 |
13 | 384478998 |
14 | 202687612 |
15 | 125b56ca6 |
hex | b10987f0 |
2970191856 has 40 divisors (see below), whose sum is σ = 8124350544. Its totient is φ = 931824640.
The previous prime is 2970191831. The next prime is 2970191857. The reversal of 2970191856 is 6581910792.
It is a super-2 number, since 2×29701918562 = 17644079322897449472, which contains 22 as substring.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2970191857) 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, 1819155 + ... + 1820786.
Almost surely, 22970191856 is an apocalyptic number.
It is an amenable number.
2970191856 is an abundant number, since it is smaller than the sum of its proper divisors (5154158688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2970191856 is a wasteful number, since it uses less digits than its factorization.
2970191856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3639969 (or 3639963 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 48.
The square root of 2970191856 is about 54499.4665661968. The cubic root of 2970191856 is about 1437.4569080567.
The spelling of 2970191856 in words is "two billion, nine hundred seventy million, one hundred ninety-one thousand, eight hundred fifty-six".
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