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275307756971 = 13235915606131
BaseRepresentation
bin1000000000110011001…
…11101111110110101011
3222022121200010010010112
410000121213233312223
514002312241210341
6330250304404535
725614245215532
oct4003147576653
9868550103115
10275307756971
11a6837062685
124543401674b
131cc662aab10
14d4799cb319
157264a2daeb
hex40199efdab

275307756971 has 16 divisors (see below), whose sum is σ = 314619621120. Its totient is φ = 238961062560.

The previous prime is 275307756967. The next prime is 275307756973. The reversal of 275307756971 is 179657703572.

It is a cyclic number.

It is not a de Polignac number, because 275307756971 - 22 = 275307756967 is a prime.

It is a super-2 number, since 2×2753077569712 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275307756971.

It is not an unprimeable number, because it can be changed into a prime (275307756973) 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, 7785425 + ... + 7820706.

It is an arithmetic number, because the mean of its divisors is an integer number (19663726320).

Almost surely, 2275307756971 is an apocalyptic number.

275307756971 is a deficient number, since it is larger than the sum of its proper divisors (39311864149).

275307756971 is a wasteful number, since it uses less digits than its factorization.

275307756971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15606226.

The product of its (nonzero) digits is 19448100, while the sum is 59.

The spelling of 275307756971 in words is "two hundred seventy-five billion, three hundred seven million, seven hundred fifty-six thousand, nine hundred seventy-one".

Divisors: 1 13 23 59 299 767 1357 17641 15606131 202879703 358941013 920761729 4666233169 11969902477 21177519767 275307756971