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45191429125 = 53557649069
BaseRepresentation
bin101010000101100111…
…100111110000000101
311022122110122110110021
4222011213213300011
51220023001213000
632432145055141
73156612544453
oct520547476005
9138573573407
1045191429125
1118190424637
1289126274b1
13435278720b
142289c5d9d3
15129765311a
hexa859e7c05

45191429125 has 16 divisors (see below), whose sum is σ = 56500245360. Its totient is φ = 36088180800.

The previous prime is 45191429123. The next prime is 45191429141. The reversal of 45191429125 is 52192419154.

It can be written as a sum of positive squares in 8 ways, for example, as 21167049121 + 24024380004 = 145489^2 + 154998^2 .

It is not a de Polignac number, because 45191429125 - 21 = 45191429123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45191429123) 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, 254910 + ... + 394159.

It is an arithmetic number, because the mean of its divisors is an integer number (3531265335).

Almost surely, 245191429125 is an apocalyptic number.

It is an amenable number.

45191429125 is a deficient number, since it is larger than the sum of its proper divisors (11308816235).

45191429125 is an equidigital number, since it uses as much as digits as its factorization.

45191429125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649641 (or 649631 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The spelling of 45191429125 in words is "forty-five billion, one hundred ninety-one million, four hundred twenty-nine thousand, one hundred twenty-five".

Divisors: 1 5 25 125 557 2785 13925 69625 649069 3245345 16226725 81133625 361531433 1807657165 9038285825 45191429125