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2122099975 = 52791074481
BaseRepresentation
bin111111001111100…
…1010110100000111
312110220002211220101
41332133022310013
513321224144400
6550323544531
7103405360252
oct17637126407
95426084811
102122099975
11999963136
124b282b147
1327a858078
14161ba0099
15c648056a
hex7e7cad07

2122099975 has 12 divisors (see below), whose sum is σ = 2664715360. Its totient is φ = 1676188800.

The previous prime is 2122099939. The next prime is 2122099979. The reversal of 2122099975 is 5799902212.

It is not a de Polignac number, because 2122099975 - 223 = 2113711367 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122099979) 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 11 ways as a sum of consecutive naturals, for example, 535266 + ... + 539215.

Almost surely, 22122099975 is an apocalyptic number.

2122099975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2122099975 is a deficient number, since it is larger than the sum of its proper divisors (542615385).

2122099975 is a wasteful number, since it uses less digits than its factorization.

2122099975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074570 (or 1074565 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 2122099975 is about 46066.2563597260. The cubic root of 2122099975 is about 1285.0556835171.

The spelling of 2122099975 in words is "two billion, one hundred twenty-two million, ninety-nine thousand, nine hundred seventy-five".

Divisors: 1 5 25 79 395 1975 1074481 5372405 26862025 84883999 424419995 2122099975