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2151314566541 = 72194272259967
BaseRepresentation
bin11111010011100100010…
…101110010110110001101
321121122220210220021010022
4133103210111302312031
5240221343012112131
64324144505151525
7311266403045600
oct37234425626615
97548823807108
102151314566541
1175a404a96268
122a8b32a8b5a5
13127b3927ba4a
14761a4a74337
153ae621c837b
hex1f4e4572d8d

2151314566541 has 12 divisors (see below), whose sum is σ = 2502679523328. Its totient is φ = 1843888179672.

The previous prime is 2151314566537. The next prime is 2151314566561. The reversal of 2151314566541 is 1456654131512.

It is not a de Polignac number, because 2151314566541 - 22 = 2151314566537 is a prime.

It is a super-2 number, since 2×21513145665412 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2151314566492 and 2151314566501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151314566561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178061 + ... + 2081906.

It is an arithmetic number, because the mean of its divisors is an integer number (208556626944).

Almost surely, 22151314566541 is an apocalyptic number.

It is an amenable number.

2151314566541 is a deficient number, since it is larger than the sum of its proper divisors (351364956787).

2151314566541 is a wasteful number, since it uses less digits than its factorization.

2151314566541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279408 (or 2279401 counting only the distinct ones).

The product of its digits is 432000, while the sum is 44.

The spelling of 2151314566541 in words is "two trillion, one hundred fifty-one billion, three hundred fourteen million, five hundred sixty-six thousand, five hundred forty-one".

Divisors: 1 7 49 19427 135989 951923 2259967 15819769 110738383 43904378909 307330652363 2151314566541