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255242551242113 = 1925978193153259
BaseRepresentation
bin111010000010010001001001…
…100110010010110110000001
31020110201221122020212012100222
4322002101021212102312001
5231423343221104221423
62302504450450152425
7104522444235244421
oct7202211146226601
91213657566765328
10255242551242113
1174367838020096
1224763871b82715
13ac56366878846
144705b3c012481
151e796a032a3c8
hexe82449992d81

255242551242113 has 24 divisors (see below), whose sum is σ = 273954524378400. Its totient is φ = 237705688596096.

The previous prime is 255242551242101. The next prime is 255242551242127. The reversal of 255242551242113 is 311242155242552.

It is not a de Polignac number, because 255242551242113 - 24 = 255242551242097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255242551242013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1665356078 + ... + 1665509336.

It is an arithmetic number, because the mean of its divisors is an integer number (11414771849100).

Almost surely, 2255242551242113 is an apocalyptic number.

It is an amenable number.

255242551242113 is a deficient number, since it is larger than the sum of its proper divisors (18711973136287).

255242551242113 is a wasteful number, since it uses less digits than its factorization.

255242551242113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231549 (or 231530 counting only the distinct ones).

The product of its digits is 960000, while the sum is 44.

The spelling of 255242551242113 in words is "two hundred fifty-five trillion, two hundred forty-two billion, five hundred fifty-one million, two hundred forty-two thousand, one hundred thirteen".

Divisors: 1 19 59 361 1121 21299 78193 153259 1485667 2911921 4613387 9042281 28227673 55326499 87654353 171803339 1665432707 3264263441 11983780987 227691838753 707043078233 4326144936307 13433818486427 255242551242113