Base | Representation |
---|---|
bin | 11111010011100100001… |
… | …000111111100000110000 |
3 | 21121122220120120202120010 |
4 | 133103210020333200300 |
5 | 240221341132214134 |
6 | 4324144305214520 |
7 | 311266332400416 |
oct | 37234410774060 |
9 | 7548816522503 |
10 | 2151311210544 |
11 | 75a403103911 |
12 | 2a8b31931440 |
13 | 127b38675352 |
14 | 761a443d2b6 |
15 | 3ae61c63ce9 |
hex | 1f4e423f830 |
2151311210544 has 40 divisors (see below), whose sum is σ = 5736829898752. Its totient is φ = 693971357760.
The previous prime is 2151311210533. The next prime is 2151311210593. The reversal of 2151311210544 is 4450121131512.
It is a super-2 number, since 2×21513112105442 (a number of 25 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, 722885344 + ... + 722888319.
Almost surely, 22151311210544 is an apocalyptic number.
2151311210544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2151311210544 is an abundant number, since it is smaller than the sum of its proper divisors (3585518688208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2151311210544 is a wasteful number, since it uses less digits than its factorization.
2151311210544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1445773705 (or 1445773699 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 30.
The spelling of 2151311210544 in words is "two trillion, one hundred fifty-one billion, three hundred eleven million, two hundred ten thousand, five hundred forty-four".
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