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2801111274138 = 233186811734793
BaseRepresentation
bin101000110000101111001…
…111100001001010011010
3100220210011021001011111010
4220300233033201022122
5331343133441233023
65542451315514350
7406242101660262
oct50605717411232
910823137034433
102801111274138
1198aa43320261
12392a5a5b89b6
131741b380b1b8
149980864a7a2
154cce3b31093
hex28c2f3e129a

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".

Divisors: 1 2 3 6 31 62 93 186 8681 17362 26043 52086 269111 538222 807333 1614666 1734793 3469586 5204379 10408758 53778583 107557166 161335749 322671498 15059738033 30119476066 45179214099 90358428198 466851879023 933703758046 1400555637069 2801111274138