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512500145142 = 23295961780911
BaseRepresentation
bin1110111010100110110…
…00111001101111110110
31210222212000102212202010
413131103120321233312
531344100014121032
61031234520425050
752012142233236
oct7352330715766
91728760385663
10512500145142
11188393a75567
12833ab318186
1339436ab876b
141ab3b433cc6
15d4e8249ccc
hex7753639bf6

512500145142 has 64 divisors (see below), whose sum is σ = 1080078105600. Its totient is φ = 161882138880.

The previous prime is 512500145141. The next prime is 512500145189. The reversal of 512500145142 is 241541005215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512500145141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6293667 + ... + 6374577.

It is an arithmetic number, because the mean of its divisors is an integer number (16876220400).

Almost surely, 2512500145142 is an apocalyptic number.

512500145142 is an abundant number, since it is smaller than the sum of its proper divisors (567577960458).

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

512500145142 is a wasteful number, since it uses less digits than its factorization.

512500145142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81621.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 512500145142 in words is "five hundred twelve billion, five hundred million, one hundred forty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 29 58 59 87 118 174 177 354 617 1234 1711 1851 3422 3702 5133 10266 17893 35786 36403 53679 72806 80911 107358 109209 161822 218418 242733 485466 1055687 2111374 2346419 3167061 4692838 4773749 6334122 7039257 9547498 14078514 14321247 28642494 49922087 99844174 138438721 149766261 276877442 299532522 415316163 830632326 1447740523 2895481046 2945403133 4343221569 5890806266 8686443138 8836209399 17672418798 85416690857 170833381714 256250072571 512500145142