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230102110021 = 7222321058123
BaseRepresentation
bin1101011001001100100…
…1111000111101000101
3210222221012201022111011
43112103021320331011
512232222120010041
6253412450442221
722424100443500
oct3262311707505
9728835638434
10230102110021
1189649707a83
1238718893371
13189108b62b4
14b1cbd0a137
155ebb01ce81
hex3593278f45

230102110021 has 12 divisors (see below), whose sum is σ = 268870127232. Its totient is φ = 196345929528.

The previous prime is 230102110003. The next prime is 230102110031. The reversal of 230102110021 is 120011201032.

It is not a de Polignac number, because 230102110021 - 29 = 230102109509 is a prime.

It is a super-2 number, since 2×2301021100212 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230102109983 and 230102110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230102110031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10518135 + ... + 10539988.

It is an arithmetic number, because the mean of its divisors is an integer number (22405843936).

Almost surely, 2230102110021 is an apocalyptic number.

It is an amenable number.

230102110021 is a deficient number, since it is larger than the sum of its proper divisors (38768017211).

230102110021 is a wasteful number, since it uses less digits than its factorization.

230102110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21058360 (or 21058353 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 230102110021 its reverse (120011201032), we get a palindrome (350113311053).

The spelling of 230102110021 in words is "two hundred thirty billion, one hundred two million, one hundred ten thousand, twenty-one".

Divisors: 1 7 49 223 1561 10927 21058123 147406861 1031848027 4695961429 32871730003 230102110021