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2687690026374 = 234315316804313
BaseRepresentation
bin100111000111000110110…
…011110010110110000110
3100111221101201221210110220
4213013012303302312012
5323013342121320444
65414412512525210
7365115315165453
oct47070663626606
910457351853426
102687690026374
1194692aa52061
12374a85b50806
131665a9589142
1494128d2882a
1549da64d5619
hex271c6cf2d86

2687690026374 has 32 divisors (see below), whose sum is σ = 5503982377344. Its totient is φ = 874490178240.

The previous prime is 2687690026291. The next prime is 2687690026393. The reversal of 2687690026374 is 4736200967862.

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, 3007159 + ... + 3797154.

It is an arithmetic number, because the mean of its divisors is an integer number (171999449292).

Almost surely, 22687690026374 is an apocalyptic number.

2687690026374 is an abundant number, since it is smaller than the sum of its proper divisors (2816292350970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2687690026374 is a wasteful number, since it uses less digits than its factorization.

2687690026374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805892.

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 2687690026374 in words is "two trillion, six hundred eighty-seven billion, six hundred ninety million, twenty-six thousand, three hundred seventy-four".

Divisors: 1 2 3 6 43 86 129 258 1531 3062 4593 9186 65833 131666 197499 394998 6804313 13608626 20412939 40825878 292585459 585170918 877756377 1755512754 10417403203 20834806406 31252209609 62504419218 447948337729 895896675458 1343845013187 2687690026374