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163111654431041 = 1031583608295447
BaseRepresentation
bin100101000101100101100100…
…001110001001100101000001
3210101112022200122111002210212
4211011211210032021211001
5132334410132013243131
61334524243134403505
746233266565426461
oct4505454416114501
9711468618432725
10163111654431041
1147a7729a683648
121636416b060595
1370024947041b4
142c3c909247ba1
1513ccd96060a2b
hex945964389941

163111654431041 has 4 divisors (see below), whose sum is σ = 164695262726592. Its totient is φ = 161528046135492.

The previous prime is 163111654431017. The next prime is 163111654431091. The reversal of 163111654431041 is 140134456111361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-163111654431041 is a prime.

It is a super-2 number, since 2×1631116544310412 (a number of 29 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 163111654431041.

It is not an unprimeable number, because it can be changed into a prime (163111654431091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791804147621 + ... + 791804147826.

It is an arithmetic number, because the mean of its divisors is an integer number (41173815681648).

Almost surely, 2163111654431041 is an apocalyptic number.

It is an amenable number.

163111654431041 is a deficient number, since it is larger than the sum of its proper divisors (1583608295551).

163111654431041 is a wasteful number, since it uses less digits than its factorization.

163111654431041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583608295550.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 163111654431041 in words is "one hundred sixty-three trillion, one hundred eleven billion, six hundred fifty-four million, four hundred thirty-one thousand, forty-one".

Divisors: 1 103 1583608295447 163111654431041