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121674935125 = 531757258793
BaseRepresentation
bin111000101010001100…
…1000010101101010101
3102122001201212010112201
41301110121002231111
53443142240411000
6131521404044501
711535134612122
oct1612431025525
9378051763481
10121674935125
1147669368727
121b6b8833731
13b6211c9043
145c63985749
15327205796a
hex1c54642b55

121674935125 has 16 divisors (see below), whose sum is σ = 160782693552. Its totient is φ = 91614067200.

The previous prime is 121674935119. The next prime is 121674935141. The reversal of 121674935125 is 521539476121.

It can be written as a sum of positive squares in 8 ways, for example, as 1641789361 + 120033145764 = 40519^2 + 346458^2 .

It is not a de Polignac number, because 121674935125 - 221 = 121672837973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28627272 + ... + 28631521.

It is an arithmetic number, because the mean of its divisors is an integer number (10048918347).

Almost surely, 2121674935125 is an apocalyptic number.

It is an amenable number.

121674935125 is a deficient number, since it is larger than the sum of its proper divisors (39107758427).

121674935125 is an equidigital number, since it uses as much as digits as its factorization.

121674935125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57258825 (or 57258815 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The spelling of 121674935125 in words is "one hundred twenty-one billion, six hundred seventy-four million, nine hundred thirty-five thousand, one hundred twenty-five".

Divisors: 1 5 17 25 85 125 425 2125 57258793 286293965 973399481 1431469825 4866997405 7157349125 24334987025 121674935125