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3111234023420 = 225155561701171
BaseRepresentation
bin101101010001100011111…
…111111010111111111100
3102000102122020201010201022
4231101203333322333330
5401433301402222140
610341140422403312
7440531164566335
oct55214377727774
912012566633638
103111234023420
11a9a515550956
12422b89b90538
131975078a4683
14aa827d4528c
1555de4d480b5
hex2d463ffaffc

3111234023420 has 12 divisors (see below), whose sum is σ = 6533591449224. Its totient is φ = 1244493609360.

The previous prime is 3111234023407. The next prime is 3111234023437. The reversal of 3111234023420 is 243204321113.

It is a super-2 number, since 2×31112340234202 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3111234023420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77780850566 + ... + 77780850605.

It is an arithmetic number, because the mean of its divisors is an integer number (544465954102).

Almost surely, 23111234023420 is an apocalyptic number.

It is an amenable number.

3111234023420 is an abundant number, since it is smaller than the sum of its proper divisors (3422357425804).

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

3111234023420 is a wasteful number, since it uses less digits than its factorization.

3111234023420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155561701180 (or 155561701178 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 3111234023420 its reverse (243204321113), we get a palindrome (3354438344533).

The spelling of 3111234023420 in words is "three trillion, one hundred eleven billion, two hundred thirty-four million, twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 155561701171 311123402342 622246804684 777808505855 1555617011710 3111234023420