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99022020210121 = 237954497534513
BaseRepresentation
bin10110100000111101011100…
…010101101110110111001001
3110222121102010211210200100111
4112200331130111232313021
5100434334044133210441
6550334031005434321
726600050654114441
oct2640753425566711
9428542124720314
1099022020210121
1129608003a01048
12b13316a26b9a1
134333975c57348
141a649970cb121
15b6abcb32a081
hex5a0f5c56edc9

99022020210121 has 8 divisors (see below), whose sum is σ = 104635266266880. Its totient is φ = 93517769222592.

The previous prime is 99022020210067. The next prime is 99022020210137. The reversal of 99022020210121 is 12101202022099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99022020210121 - 211 = 99022020208073 is a prime.

It is a super-4 number, since 4×990220202101214 (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99022020210521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27248765440 + ... + 27248769073.

It is an arithmetic number, because the mean of its divisors is an integer number (13079408283360).

Almost surely, 299022020210121 is an apocalyptic number.

It is an amenable number.

99022020210121 is a deficient number, since it is larger than the sum of its proper divisors (5613246056759).

99022020210121 is a wasteful number, since it uses less digits than its factorization.

99022020210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54497534615.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 99022020210121 in words is "ninety-nine trillion, twenty-two billion, twenty million, two hundred ten thousand, one hundred twenty-one".

Divisors: 1 23 79 1817 54497534513 1253443293799 4305305226527 99022020210121