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10212009975 = 3252291565059
BaseRepresentation
bin10011000001010111…
…01110011111110111
3222100200200212010200
421200223232133313
5131403233304400
64405154451543
7511030436556
oct114053563767
928320625120
1010212009975
114370460272
121b8bb93bb3
13c698bb16b
146cc38dd9d
153eb7dab00
hex260aee7f7

10212009975 has 36 divisors (see below), whose sum is σ = 18921575400. Its totient is φ = 5258594880.

The previous prime is 10212009961. The next prime is 10212009979. The reversal of 10212009975 is 57990021201.

It is not a de Polignac number, because 10212009975 - 230 = 9138268151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212009979) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 776005 + ... + 789054.

Almost surely, 210212009975 is an apocalyptic number.

10212009975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10212009975 is a deficient number, since it is larger than the sum of its proper divisors (8709565425).

10212009975 is a wasteful number, since it uses less digits than its factorization.

10212009975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565104 (or 1565096 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 10212009975 in words is "ten billion, two hundred twelve million, nine thousand, nine hundred seventy-five".

Divisors: 1 3 5 9 15 25 29 45 75 87 145 225 261 435 725 1305 2175 6525 1565059 4695177 7825295 14085531 23475885 39126475 45386711 70427655 117379425 136160133 226933555 352138275 408480399 680800665 1134667775 2042401995 3404003325 10212009975