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23113013210 = 2571272599889
BaseRepresentation
bin10101100001101001…
…001001011111011010
32012122210012201120022
4111201221021133122
5334313412410320
614341252030442
71445522241110
oct254151113732
965583181508
1023113013210
119890769a11
124590602422
13224460aba1
141193909ab0
159041d5325
hex561a497da

23113013210 has 32 divisors (see below), whose sum is σ = 47921172480. Its totient is φ = 7862061312.

The previous prime is 23113013171. The next prime is 23113013213. The reversal of 23113013210 is 1231031132.

It is a super-2 number, since 2×231130132102 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23113013213) 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, 1291055 + ... + 1308834.

It is an arithmetic number, because the mean of its divisors is an integer number (1497536640).

Almost surely, 223113013210 is an apocalyptic number.

23113013210 is an abundant number, since it is smaller than the sum of its proper divisors (24808159270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23113013210 is a wasteful number, since it uses less digits than its factorization.

23113013210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600030.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23113013210 its reverse (1231031132), we get a palindrome (24344044342).

The spelling of 23113013210 in words is "twenty-three billion, one hundred thirteen million, thirteen thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 127 254 635 889 1270 1778 4445 8890 2599889 5199778 12999445 18199223 25998890 36398446 90996115 181992230 330185903 660371806 1650929515 2311301321 3301859030 4622602642 11556506605 23113013210