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5312400420131 = 74347375514273
BaseRepresentation
bin100110101001110001110…
…1111010110110100100011
3200210212020022121202122222
41031103203233112310203
51144014244001421011
615144252201421255
71055544143343050
oct115234357266443
920725208552588
105312400420131
111768a815a7a62
127196b419a82b
132c6c59cb527c
1414519b77a027
15932c3898ddb
hex4d4e3bd6d23

5312400420131 has 16 divisors (see below), whose sum is σ = 6344689173504. Its totient is φ = 4352961441024.

The previous prime is 5312400420127. The next prime is 5312400420157. The reversal of 5312400420131 is 1310240042135.

It is a happy number.

It is not a de Polignac number, because 5312400420131 - 22 = 5312400420127 is a prime.

It is a super-2 number, since 2×53124004201312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5312400420131.

It is not an unprimeable number, because it can be changed into a prime (5312400420101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187742990 + ... + 187771283.

It is an arithmetic number, because the mean of its divisors is an integer number (396543073344).

Almost surely, 25312400420131 is an apocalyptic number.

5312400420131 is a deficient number, since it is larger than the sum of its proper divisors (1032288753373).

5312400420131 is a wasteful number, since it uses less digits than its factorization.

5312400420131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375514370.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 5312400420131 its reverse (1310240042135), we get a palindrome (6622640462266).

It can be divided in two parts, 53124004 and 20131, that added together give a palindrome (53144135).

The spelling of 5312400420131 in words is "five trillion, three hundred twelve billion, four hundred million, four hundred twenty thousand, one hundred thirty-one".

Divisors: 1 7 43 47 301 329 2021 14147 375514273 2628599911 16147113739 17649170831 113029796173 123544195817 758914345733 5312400420131