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272205256551 = 31574159138959
BaseRepresentation
bin1111110110000010110…
…0101001011101100111
3222000121110012202122120
43331200230221131213
513424434021202201
6325014355201023
725444333335024
oct3754054513547
9860543182576
10272205256551
11a5494853148
1244908ba6173
131c8905b8957
14d26394254b
15713248e536
hex3f60b29767

272205256551 has 16 divisors (see below), whose sum is σ = 365342515200. Its totient is φ = 180269657568.

The previous prime is 272205256549. The next prime is 272205256567. The reversal of 272205256551 is 155652502272.

It is not a de Polignac number, because 272205256551 - 21 = 272205256549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272205256051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1889410 + ... + 2028368.

It is an arithmetic number, because the mean of its divisors is an integer number (22833907200).

Almost surely, 2272205256551 is an apocalyptic number.

272205256551 is a deficient number, since it is larger than the sum of its proper divisors (93137258649).

272205256551 is a wasteful number, since it uses less digits than its factorization.

272205256551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143278.

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 272205256551 in words is "two hundred seventy-two billion, two hundred five million, two hundred fifty-six thousand, five hundred fifty-one".

Divisors: 1 3 157 471 4159 12477 138959 416877 652963 1958889 21816563 65449689 577930481 1733791443 90735085517 272205256551