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20125575607452 = 22371132120267131
BaseRepresentation
bin1001001001101110110011…
…10010001111010010011100
32122020222121222010022200220
410210313121302033102130
510114214134323414302
6110445321203121340
74145011345045410
oct444673162172234
978228558108626
1020125575607452
11645a2328375a7
12231057a673250
13b2caab6649c3
144d8123c9cd40
1524d7a45934bc
hex124dd9c8f49c

20125575607452 has 48 divisors (see below), whose sum is σ = 54143141482752. Its totient is φ = 5699278045440.

The previous prime is 20125575607451. The next prime is 20125575607469. The reversal of 20125575607452 is 25470657552102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20125575607395 and 20125575607404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125575607451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060124074 + ... + 1060143057.

It is an arithmetic number, because the mean of its divisors is an integer number (1127982114224).

Almost surely, 220125575607452 is an apocalyptic number.

It is an amenable number.

20125575607452 is an abundant number, since it is smaller than the sum of its proper divisors (34017565875300).

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

20125575607452 is a wasteful number, since it uses less digits than its factorization.

20125575607452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120267258 (or 2120267256 counting only the distinct ones).

The product of its (nonzero) digits is 5880000, while the sum is 51.

The spelling of 20125575607452 in words is "twenty trillion, one hundred twenty-five billion, five hundred seventy-five million, six hundred seven thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 113 226 339 452 678 791 1356 1582 2373 3164 4746 9492 2120267131 4240534262 6360801393 8481068524 12721602786 14841869917 25443205572 29683739834 44525609751 59367479668 89051219502 178102439004 239590185803 479180371606 718770557409 958360743212 1437541114818 1677131300621 2875082229636 3354262601242 5031393901863 6708525202484 10062787803726 20125575607452