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12338420237 = 111386282659
BaseRepresentation
bin10110111110110110…
…10101101000001101
31011211212220200122022
423133123111220031
5200232113421422
65400155055525
7614520561443
oct133733255015
934755820568
1012338420237
115261797820
1224841415a5
1312182c50a0
14850952b93
154c331d342
hex2df6d5a0d

12338420237 has 8 divisors (see below), whose sum is σ = 14495486880. Its totient is φ = 10353918960.

The previous prime is 12338420221. The next prime is 12338420261. The reversal of 12338420237 is 73202483321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12338420237 - 24 = 12338420221 is a prime.

It is a super-2 number, since 2×123384202372 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12338420197 and 12338420206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12338420287) 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, 43141187 + ... + 43141472.

It is an arithmetic number, because the mean of its divisors is an integer number (1811935860).

Almost surely, 212338420237 is an apocalyptic number.

It is an amenable number.

12338420237 is a deficient number, since it is larger than the sum of its proper divisors (2157066643).

12338420237 is a wasteful number, since it uses less digits than its factorization.

12338420237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86282683.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 12338420237 in words is "twelve billion, three hundred thirty-eight million, four hundred twenty thousand, two hundred thirty-seven".

Divisors: 1 11 13 143 86282659 949109249 1121674567 12338420237