Base | Representation |
---|---|
bin | 11111000001001010100… |
… | …111001000111011101101 |
3 | 21112202220202211101011011 |
4 | 133001022213020323231 |
5 | 234410411210144010 |
6 | 4311120105025221 |
7 | 306666635153254 |
oct | 37011247107355 |
9 | 7482822741134 |
10 | 2131555553005 |
11 | 751a955a3a0a |
12 | 2a5139785211 |
13 | 12600a7abc68 |
14 | 7524c79d79b |
15 | 3a6a76b0a8a |
hex | 1f04a9c8eed |
2131555553005 has 16 divisors (see below), whose sum is σ = 2710251725040. Its totient is φ = 1603796795392.
The previous prime is 2131555552981. The next prime is 2131555553033. The reversal of 2131555553005 is 5003555551312.
It can be written as a sum of positive squares in 8 ways, for example, as 19291543236 + 2112264009769 = 138894^2 + 1453363^2 .
It is a cyclic number.
It is not a de Polignac number, because 2131555553005 - 29 = 2131555552493 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8779144 + ... + 9018673.
It is an arithmetic number, because the mean of its divisors is an integer number (169390732815).
Almost surely, 22131555553005 is an apocalyptic number.
It is an amenable number.
2131555553005 is a deficient number, since it is larger than the sum of its proper divisors (578696172035).
2131555553005 is a wasteful number, since it uses less digits than its factorization.
2131555553005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17799248.
The product of its (nonzero) digits is 281250, while the sum is 40.
The spelling of 2131555553005 in words is "two trillion, one hundred thirty-one billion, five hundred fifty-five million, five hundred fifty-three thousand, five".
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