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149874837825 = 3526593032369
BaseRepresentation
bin1000101110010100111…
…1001000100101000001
3112022212000221121122110
42023211033020211001
54423420424302300
6152503533525533
713554016046646
oct2134517104501
9468760847573
10149874837825
115861a490a39
12250689438a9
13111966689bb
14737accddcd
153d72b09550
hex22e53c8941

149874837825 has 24 divisors (see below), whose sum is σ = 248169160800. Its totient is φ = 79811925760.

The previous prime is 149874837817. The next prime is 149874837829. The reversal of 149874837825 is 528738478941.

It is not a de Polignac number, because 149874837825 - 23 = 149874837817 is a prime.

It is a super-4 number, since 4×1498748378254 (a number of 46 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149874837829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1466760 + ... + 1565609.

It is an arithmetic number, because the mean of its divisors is an integer number (10340381700).

Almost surely, 2149874837825 is an apocalyptic number.

149874837825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149874837825 is a deficient number, since it is larger than the sum of its proper divisors (98294322975).

149874837825 is a wasteful number, since it uses less digits than its factorization.

149874837825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033041 (or 3033036 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 66.

The spelling of 149874837825 in words is "one hundred forty-nine billion, eight hundred seventy-four million, eight hundred thirty-seven thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 659 1977 3295 9885 16475 49425 3032369 9097107 15161845 45485535 75809225 227427675 1998331171 5994993513 9991655855 29974967565 49958279275 149874837825