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23120202013311 = 31316710513377597
BaseRepresentation
bin1010100000111000101110…
…11011011001101001111111
310000212021021122000201202210
411100130113123121221333
511012300133203411221
6121101135115551503
74604244105362334
oct520342733315177
9100767248021683
1023120202013311
11740424a326487
122714a24a5b593
13cb92c1b0b7b0
1459d04924498b
152a1622186276
hex1507176d9a7f

23120202013311 has 32 divisors (see below), whose sum is σ = 33428816967168. Its totient is φ = 14129159587200.

The previous prime is 23120202013213. The next prime is 23120202013319. The reversal of 23120202013311 is 11331020202132.

It is not a de Polignac number, because 23120202013311 - 213 = 23120202005119 is a prime.

It is a super-2 number, since 2×231202020133112 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120202013319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5156365 + ... + 8533961.

It is an arithmetic number, because the mean of its divisors is an integer number (1044650530224).

Almost surely, 223120202013311 is an apocalyptic number.

23120202013311 is a deficient number, since it is larger than the sum of its proper divisors (10308614953857).

23120202013311 is a wasteful number, since it uses less digits than its factorization.

23120202013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378831.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23120202013311 its reverse (11331020202132), we get a palindrome (34451222215443).

The spelling of 23120202013311 in words is "twenty-three trillion, one hundred twenty billion, two hundred two million, thirteen thousand, three hundred eleven".

Divisors: 1 3 13 39 167 501 1051 2171 3153 6513 13663 40989 175517 526551 2281721 3377597 6845163 10132791 43908761 131726283 564058699 1692176097 3549854447 7332763087 10649563341 21998289261 46148107811 138444323433 592825692649 1778477077947 7706734004437 23120202013311