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2215144000525 = 527179147110739
BaseRepresentation
bin100000001111000000110…
…111110000110000001101
321211202200012020110201211
4200033000313300300031
5242243103331004100
64413342331334421
7316016222223061
oct40170067606015
97752605213654
102215144000525
1178448a0487a5
122b93872b1411
13130b6c1aa7b1
14792dbd5baa1
153c94ac0d1ba
hex203c0df0c0d

2215144000525 has 48 divisors (see below), whose sum is σ = 2822905036800. Its totient is φ = 1723706712000.

The previous prime is 2215144000523. The next prime is 2215144000529. The reversal of 2215144000525 is 5250004415122.

It is not a de Polignac number, because 2215144000525 - 21 = 2215144000523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215144000523) 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 47 ways as a sum of consecutive naturals, for example, 206265606 + ... + 206276344.

It is an arithmetic number, because the mean of its divisors is an integer number (58810521600).

Almost surely, 22215144000525 is an apocalyptic number.

2215144000525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2215144000525 is a deficient number, since it is larger than the sum of its proper divisors (607761036275).

2215144000525 is a wasteful number, since it uses less digits than its factorization.

2215144000525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12370 (or 12365 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 2215144000525 its reverse (5250004415122), we get a palindrome (7465148415647).

The spelling of 2215144000525 in words is "two trillion, two hundred fifteen billion, one hundred forty-four million, five hundred twenty-five", and thus it is an aban number.

Divisors: 1 5 25 71 79 355 395 1471 1775 1975 5609 7355 10739 28045 36775 53695 104441 116209 140225 268475 522205 581045 762469 848381 2611025 2905225 3812345 4241905 8250839 15797069 19061725 21209525 41254195 60235051 78985345 206270975 301175255 394926725 1121591899 1247968451 1505876275 5607959495 6239842255 28039797475 31199211275 88605760021 443028800105 2215144000525