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28341456551 = 1722911716217
BaseRepresentation
bin11010011001010010…
…000100111010100111
32201011011110011110222
4122121102010322213
5431020403102201
621004143434555
72022220256132
oct323122047247
981134404428
1028341456551
1111024016871
1255ab5b5a5b
1328988a2345
14152c075219
15b0d21391b
hex699484ea7

28341456551 has 16 divisors (see below), whose sum is σ = 30170233440. Its totient is φ = 26530882560.

The previous prime is 28341456547. The next prime is 28341456593. The reversal of 28341456551 is 15565414382.

It is a cyclic number.

It is not a de Polignac number, because 28341456551 - 22 = 28341456547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28341450551) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4555595 + ... + 4561811.

It is an arithmetic number, because the mean of its divisors is an integer number (1885639590).

Almost surely, 228341456551 is an apocalyptic number.

28341456551 is a deficient number, since it is larger than the sum of its proper divisors (1828776889).

28341456551 is a wasteful number, since it uses less digits than its factorization.

28341456551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634.

The product of its digits is 576000, while the sum is 44.

The spelling of 28341456551 in words is "twenty-eight billion, three hundred forty-one million, four hundred fifty-six thousand, five hundred fifty-one".

Divisors: 1 17 229 1171 3893 6217 19907 105689 268159 1423693 4558703 7280107 24202781 123761819 1667144503 28341456551