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20010099967 = 1121321160289
BaseRepresentation
bin10010101000101100…
…011110010011111111
31220122112112101210121
4102220230132103333
5311440041144332
613105325515411
71305604020604
oct225054362377
956575471717
1020010099967
1185391a8300
123a65412b67
131b6b802b50
14d7b7946ab
157c1ab3797
hex4a8b1e4ff

20010099967 has 24 divisors (see below), whose sum is σ = 23799115760. Its totient is φ = 16711833600.

The previous prime is 20010099959. The next prime is 20010099971. The reversal of 20010099967 is 76999001002.

It is not a de Polignac number, because 20010099967 - 23 = 20010099959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010099937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301759 + ... + 362047.

Almost surely, 220010099967 is an apocalyptic number.

20010099967 is a deficient number, since it is larger than the sum of its proper divisors (3789015793).

20010099967 is a wasteful number, since it uses less digits than its factorization.

20010099967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60535 (or 60524 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 43.

The spelling of 20010099967 in words is "twenty billion, ten million, ninety-nine thousand, nine hundred sixty-seven".

Divisors: 1 11 13 121 143 211 1573 2321 2743 25531 30173 60289 331903 663179 783757 7294969 8621327 12720979 94834597 139930769 165372727 1539238459 1819099997 20010099967