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274994807156 = 22523713127497
BaseRepresentation
bin1000000000001101111…
…01111100000101110100
3222021210212020121200122
410000012331330011310
514001142132312111
6330155245031112
725603425202436
oct4000675740564
9867725217618
10274994807156
11a6696443873
1245367255498
131cc164c7904
14d44a206656
157247312cdb
hex4006f7c174

274994807156 has 12 divisors (see below), whose sum is σ = 481332841668. Its totient is φ = 137471138112.

The previous prime is 274994807089. The next prime is 274994807201. The reversal of 274994807156 is 651708499472.

It can be written as a sum of positive squares in 2 ways, for example, as 102346247056 + 172648560100 = 319916^2 + 415510^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6542801 + ... + 6584696.

It is an arithmetic number, because the mean of its divisors is an integer number (40111070139).

Almost surely, 2274994807156 is an apocalyptic number.

It is an amenable number.

274994807156 is a deficient number, since it is larger than the sum of its proper divisors (206338034512).

274994807156 is a wasteful number, since it uses less digits than its factorization.

274994807156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13132738 (or 13132736 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 274994807156 in words is "two hundred seventy-four billion, nine hundred ninety-four million, eight hundred seven thousand, one hundred fifty-six".

Divisors: 1 2 4 5237 10474 20948 13127497 26254994 52509988 68748701789 137497403578 274994807156