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45140305544551 = 7210972749305483
BaseRepresentation
bin10100100001110000010111…
…11000001000010101100111
312220211101000111200021210201
422100320023320020111213
521404034321204411201
6240001100423331331
712336164565206500
oct1220701370102547
9186741014607721
1045140305544551
1113423994746928
1250905b0bb0b47
131c259356103b9
14b20b33ca7ba7
15534309db6801
hex290e0be08567

45140305544551 has 24 divisors (see below), whose sum is σ = 52577309466000. Its totient is φ = 38642231521152.

The previous prime is 45140305544549. The next prime is 45140305544567. The reversal of 45140305544551 is 15544550304154.

It is not a de Polignac number, because 45140305544551 - 21 = 45140305544549 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 (45140305544051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147614256 + ... + 147919738.

It is an arithmetic number, because the mean of its divisors is an integer number (2190721227750).

Almost surely, 245140305544551 is an apocalyptic number.

45140305544551 is a deficient number, since it is larger than the sum of its proper divisors (7437003921449).

45140305544551 is a wasteful number, since it uses less digits than its factorization.

45140305544551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309343 (or 309336 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 46.

The spelling of 45140305544551 in words is "forty-five trillion, one hundred forty billion, three hundred five million, five hundred forty-four thousand, five hundred fifty-one".

Divisors: 1 7 49 1097 2749 7679 19243 53753 134701 305483 2138381 3015653 14968667 21109571 147766997 335114851 839772767 2345803957 5878409369 16420627699 41148865583 921230725399 6448615077793 45140305544551