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45131074302 = 23457154310667
BaseRepresentation
bin101010000010000001…
…011000101011111110
311022111021002010012110
4222002001120223332
51214412023334202
632422151314450
73155250542046
oct520201305376
9138437063173
1045131074302
111815a351116
1288b637ba26
1343431148c2
142281c2c726
1512921d026c
hexa82058afe

45131074302 has 32 divisors (see below), whose sum is σ = 90526770432. Its totient is φ = 14999638464.

The previous prime is 45131074291. The next prime is 45131074381. The reversal of 45131074302 is 20347013154.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45131074302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4225573 + ... + 4236239.

It is an arithmetic number, because the mean of its divisors is an integer number (2828961576).

Almost surely, 245131074302 is an apocalyptic number.

45131074302 is an abundant number, since it is smaller than the sum of its proper divisors (45395696130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45131074302 is a wasteful number, since it uses less digits than its factorization.

45131074302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12672.

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 45131074302 its reverse (20347013154), we get a palindrome (65478087456).

The spelling of 45131074302 in words is "forty-five billion, one hundred thirty-one million, seventy-four thousand, three hundred two".

Divisors: 1 2 3 6 457 914 1371 1543 2742 3086 4629 9258 10667 21334 32001 64002 705151 1410302 2115453 4230906 4874819 9749638 14624457 16459181 29248914 32918362 49377543 98755086 7521845717 15043691434 22565537151 45131074302