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10211023231 = 241349912109
BaseRepresentation
bin10011000001001111…
…11101100101111111
3222100121211201120121
421200213331211333
5131403010220411
64405121355411
7511016160013
oct114047754577
928317751517
1010211023231
11436a946982
121b8b798b67
13c69633ca6
146cc1b4543
153eb693571
hex2609fd97f

10211023231 has 8 divisors (see below), whose sum is σ = 10257170000. Its totient is φ = 10164908160.

The previous prime is 10211023223. The next prime is 10211023247. The reversal of 10211023231 is 13232011201.

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 10211023231 - 23 = 10211023223 is a prime.

It is a super-2 number, since 2×102110232312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211023201) 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, 837205 + ... + 849313.

It is an arithmetic number, because the mean of its divisors is an integer number (1282146250).

Almost surely, 210211023231 is an apocalyptic number.

10211023231 is a deficient number, since it is larger than the sum of its proper divisors (46146769).

10211023231 is a wasteful number, since it uses less digits than its factorization.

10211023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15849.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10211023231 its reverse (13232011201), we get a palindrome (23443034432).

The spelling of 10211023231 in words is "ten billion, two hundred eleven million, twenty-three thousand, two hundred thirty-one".

Divisors: 1 241 3499 12109 843259 2918269 42369391 10211023231