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20125160142 = 2319965925577
BaseRepresentation
bin10010101111100011…
…011001001011001110
31220221120001001200120
4102233203121023032
5312204020111032
613125000005410
71311502016163
oct225743311316
956846031616
1020125160142
11859814575a
123a97a60866
131b895ba4a9
14d8cb8606a
157cbc4062c
hex4af8d92ce

20125160142 has 32 divisors (see below), whose sum is σ = 40515552000. Its totient is φ = 6664287168.

The previous prime is 20125160141. The next prime is 20125160191. The reversal of 20125160142 is 24106152102.

It is a super-2 number, since 2×201251601422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125160141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774058 + ... + 799634.

It is an arithmetic number, because the mean of its divisors is an integer number (1266111000).

Almost surely, 220125160142 is an apocalyptic number.

20125160142 is an abundant number, since it is smaller than the sum of its proper divisors (20390391858).

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

20125160142 is a wasteful number, since it uses less digits than its factorization.

20125160142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26440.

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 20125160142 in words is "twenty billion, one hundred twenty-five million, one hundred sixty thousand, one hundred forty-two".

Divisors: 1 2 3 6 199 398 597 659 1194 1318 1977 3954 25577 51154 76731 131141 153462 262282 393423 786846 5089823 10179646 15269469 16855243 30538938 33710486 50565729 101131458 3354193357 6708386714 10062580071 20125160142