Base | Representation |
---|---|
bin | 101000110000101111001… |
… | …111100001001010011010 |
3 | 100220210011021001011111010 |
4 | 220300233033201022122 |
5 | 331343133441233023 |
6 | 5542451315514350 |
7 | 406242101660262 |
oct | 50605717411232 |
9 | 10823137034433 |
10 | 2801111274138 |
11 | 98aa43320261 |
12 | 392a5a5b89b6 |
13 | 1741b380b1b8 |
14 | 9980864a7a2 |
15 | 4cce3b31093 |
hex | 28c2f3e129a |
2801111274138 has 32 divisors (see below), whose sum is σ = 5783608899072. Its totient is φ = 903479673600.
The previous prime is 2801111274121. The next prime is 2801111274151. The reversal of 2801111274138 is 8314721111082.
It is a junction number, because it is equal to n+sod(n) for n = 2801111274096 and 2801111274105.
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, 747270 + ... + 2482062.
It is an arithmetic number, because the mean of its divisors is an integer number (180737778096).
Almost surely, 22801111274138 is an apocalyptic number.
2801111274138 is an abundant number, since it is smaller than the sum of its proper divisors (2982497624934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2801111274138 is a wasteful number, since it uses less digits than its factorization.
2801111274138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1743510.
The product of its (nonzero) digits is 21504, while the sum is 39.
The spelling of 2801111274138 in words is "two trillion, eight hundred one billion, one hundred eleven million, two hundred seventy-four thousand, one hundred thirty-eight".
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