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2145188525325 = 352149191963179
BaseRepresentation
bin11111001101110111001…
…100110011010100001101
321121002002212200010101220
4133031313030303110031
5240121321230302300
64321252550553553
7310661525415246
oct37156714632415
97532085603356
102145188525325
11757850aa788a
122a79033688b9
131273a10523a1
1475b83215ccd
153ac04494da0
hex1f37733350d

2145188525325 has 24 divisors (see below), whose sum is σ = 3570515148000. Its totient is φ = 1136422013760.

The previous prime is 2145188525323. The next prime is 2145188525339. The reversal of 2145188525325 is 5235258815412.

It is not a de Polignac number, because 2145188525325 - 21 = 2145188525323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145188525323) 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, 95970415 + ... + 95992764.

It is an arithmetic number, because the mean of its divisors is an integer number (148771464500).

Almost surely, 22145188525325 is an apocalyptic number.

2145188525325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2145188525325 is a deficient number, since it is larger than the sum of its proper divisors (1425326622675).

2145188525325 is a wasteful number, since it uses less digits than its factorization.

2145188525325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191963341 (or 191963336 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 51.

The spelling of 2145188525325 in words is "two trillion, one hundred forty-five billion, one hundred eighty-eight million, five hundred twenty-five thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 149 447 745 2235 3725 11175 191963179 575889537 959815895 2879447685 4799079475 14397238425 28602513671 85807541013 143012568355 429037705065 715062841775 2145188525325