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12020400413 = 713712534307
BaseRepresentation
bin10110011000111100…
…01100000100011101
31011000201111121110022
423030132030010131
5144104210303123
65304434521525
7603606501110
oct131436140435
934021447408
1012020400413
11510922581a
1223b57362a5
131197458288
1482060c577
154a54501c8
hex2cc78c11d

12020400413 has 8 divisors (see below), whose sum is σ = 13837876032. Its totient is φ = 10227993696.

The previous prime is 12020400401. The next prime is 12020400421. The reversal of 12020400413 is 31400402021.

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

It is a cyclic number.

It is not a de Polignac number, because 12020400413 - 24 = 12020400397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020400391 and 12020400400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020400473) 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, 6266195 + ... + 6268112.

It is an arithmetic number, because the mean of its divisors is an integer number (1729734504).

Almost surely, 212020400413 is an apocalyptic number.

It is an amenable number.

12020400413 is a deficient number, since it is larger than the sum of its proper divisors (1817475619).

12020400413 is a wasteful number, since it uses less digits than its factorization.

12020400413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534451.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12020400413 its reverse (31400402021), we get a palindrome (43420802434).

The spelling of 12020400413 in words is "twelve billion, twenty million, four hundred thousand, four hundred thirteen".

Divisors: 1 7 137 959 12534307 87740149 1717200059 12020400413