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161875294829103 = 31229427110279639
BaseRepresentation
bin100100110011100110000111…
…011100100011101000101111
3210020011010102121202211122210
4210303212013130203220233
5132204131100434012403
61332140252301341503
746045050465261162
oct4463460734435057
9706133377684583
10161875294829103
114763aa2193a459
12161a4624867893
136c42a0c31cb3b
142bd8b3dc19ad9
1513aab3427eb03
hex933987723a2f

161875294829103 has 16 divisors (see below), whose sum is σ = 216059940633600. Its totient is φ = 107803797262560.

The previous prime is 161875294828879. The next prime is 161875294829147. The reversal of 161875294829103 is 301928492578161.

It is not a de Polignac number, because 161875294829103 - 217 = 161875294698031 is a prime.

It is a super-2 number, since 2×1618752948291032 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161875294819103) 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, 10607358 + ... + 20886996.

It is an arithmetic number, because the mean of its divisors is an integer number (13503746289600).

It is a 1-persistent number, because it is pandigital, but 2⋅161875294829103 = 323750589658206 is not.

Almost surely, 2161875294829103 is an apocalyptic number.

161875294829103 is a deficient number, since it is larger than the sum of its proper divisors (54184645804497).

161875294829103 is a wasteful number, since it uses less digits than its factorization.

161875294829103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10285142.

The product of its (nonzero) digits is 52254720, while the sum is 66.

The spelling of 161875294829103 in words is "one hundred sixty-one trillion, eight hundred seventy-five billion, two hundred ninety-four million, eight hundred twenty-nine thousand, one hundred three".

Divisors: 1 3 1229 3687 4271 12813 5249059 10279639 15747177 30838917 12633676331 37901028993 43904338169 131713014507 53958431609701 161875294829103