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9923996211 = 3171216116001
BaseRepresentation
bin10010011111000010…
…00010101000110011
3221121121202020112020
421033201002220303
5130311020334321
64320425402523
7500632401363
oct111741025063
927547666466
109923996211
114232923268
121b0b639443
13c2202900c
146a201a9a3
153d13984c6
hex24f842a33

9923996211 has 16 divisors (see below), whose sum is σ = 14012375328. Its totient is φ = 6225920000.

The previous prime is 9923996161. The next prime is 9923996221. The reversal of 9923996211 is 1126993299.

It is a happy number.

It is a 19-Lehmer number, since φ(9923996211) divides (9923996211-1)19.

It is a cyclic number.

It is not a de Polignac number, because 9923996211 - 29 = 9923995699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (9923996221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612211 + ... + 628211.

It is an arithmetic number, because the mean of its divisors is an integer number (875773458).

Almost surely, 29923996211 is an apocalyptic number.

9923996211 is a deficient number, since it is larger than the sum of its proper divisors (4088379117).

9923996211 is a wasteful number, since it uses less digits than its factorization.

9923996211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28182.

The product of its digits is 472392, while the sum is 51.

The square root of 9923996211 is about 99619.2562258924. The cubic root of 9923996211 is about 2148.9626299647.

The spelling of 9923996211 in words is "nine billion, nine hundred twenty-three million, nine hundred ninety-six thousand, two hundred eleven".

Divisors: 1 3 17 51 12161 16001 36483 48003 206737 272017 620211 816051 194588161 583764483 3307998737 9923996211