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22401412131 = 371066733911
BaseRepresentation
bin10100110111001110…
…100110110000100011
32010211012012122101210
4110313032212300203
5331334230142011
614142512001203
71422061601310
oct246716466043
963735178353
1022401412131
11955601654a
124412230203
132160069267
1411271d1d07
158b19c06a6
hex5373a6c23

22401412131 has 8 divisors (see below), whose sum is σ = 34135485184. Its totient is φ = 12800806920.

The previous prime is 22401412093. The next prime is 22401412133. The reversal of 22401412131 is 13121410422.

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

It is not a de Polignac number, because 22401412131 - 26 = 22401412067 is a prime.

It is a super-2 number, since 2×224014121312 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1066733911 = 22401412131 / (2 + 2 + 4 + 0 + 1 + 4 + 1 + 2 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22401412098 and 22401412107.

It is not an unprimeable number, because it can be changed into a prime (22401412133) 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, 533366935 + ... + 533366976.

It is an arithmetic number, because the mean of its divisors is an integer number (4266935648).

Almost surely, 222401412131 is an apocalyptic number.

22401412131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22401412131 is a deficient number, since it is larger than the sum of its proper divisors (11734073053).

22401412131 is a wasteful number, since it uses less digits than its factorization.

22401412131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066733921.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22401412131 its reverse (13121410422), we get a palindrome (35522822553).

The spelling of 22401412131 in words is "twenty-two billion, four hundred one million, four hundred twelve thousand, one hundred thirty-one".

Divisors: 1 3 7 21 1066733911 3200201733 7467137377 22401412131