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4015431342641 = 311571601515323
BaseRepresentation
bin111010011011101010010…
…110111101101000110001
3112012212112022111010111002
4322123222112331220301
51011242100410431031
612312355205131345
7563051063154215
oct72335226755061
915185468433432
104015431342641
111308a31346804
1254a2739b9b55
13231865b0b204
14dc4c2966945
156e6b5ac4ccb
hex3a6ea5bda31

4015431342641 has 16 divisors (see below), whose sum is σ = 4173975986688. Its totient is φ = 3858731136000.

The previous prime is 4015431342631. The next prime is 4015431342697. The reversal of 4015431342641 is 1462431345104.

It is a cyclic number.

It is not a de Polignac number, because 4015431342641 - 218 = 4015431080497 is a prime.

It is a super-2 number, since 2×40154313426412 (a number of 26 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 = 4015431342595 and 4015431342604.

It is not an unprimeable number, because it can be changed into a prime (4015431342631) 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, 7534406 + ... + 8049728.

It is an arithmetic number, because the mean of its divisors is an integer number (260873499168).

Almost surely, 24015431342641 is an apocalyptic number.

It is an amenable number.

4015431342641 is a deficient number, since it is larger than the sum of its proper divisors (158544644047).

4015431342641 is a wasteful number, since it uses less digits than its factorization.

4015431342641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517112.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 4015431342641 its reverse (1462431345104), we get a palindrome (5477862687745).

The spelling of 4015431342641 in words is "four trillion, fifteen billion, four hundred thirty-one million, three hundred forty-two thousand, six hundred forty-one".

Divisors: 1 31 157 1601 4867 49631 251357 515323 7792067 15975013 80905711 825032123 2508077041 25575995813 129530043311 4015431342641