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16142631026731 = 111467511911521
BaseRepresentation
bin1110101011100111111111…
…0010011100000000101011
32010011012221201012200122021
43222321333302130000223
54103440102020323411
654155453342005311
73254160305521606
oct352717762340053
963135851180567
1016142631026731
115164062416970
121988672576837
13901322194651
143db443b4733d
151ced90aaaa71
hexeae7fc9c02b

16142631026731 has 4 divisors (see below), whose sum is σ = 17610142938264. Its totient is φ = 14675119115200.

The previous prime is 16142631026671. The next prime is 16142631026741. The reversal of 16142631026731 is 13762013624161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16142631026731 - 223 = 16142622638123 is a prime.

It is a super-2 number, since 2×161426310267312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16142631026741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733755955750 + ... + 733755955771.

It is an arithmetic number, because the mean of its divisors is an integer number (4402535734566).

Almost surely, 216142631026731 is an apocalyptic number.

16142631026731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16142631026731 is a deficient number, since it is larger than the sum of its proper divisors (1467511911533).

16142631026731 is a wasteful number, since it uses less digits than its factorization.

16142631026731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467511911532.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 16142631026731 in words is "sixteen trillion, one hundred forty-two billion, six hundred thirty-one million, twenty-six thousand, seven hundred thirty-one".

Divisors: 1 11 1467511911521 16142631026731