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133924975906 = 266962487953
BaseRepresentation
bin111110010111010001…
…1001111010100100010
3110210200110110200100211
41330232203033110202
54143234243212111
6141305125004334
712450533340541
oct1745643172442
9423613420324
10133924975906
1151885180677
1221b572536aa
13c8240b8997
1466a6890158
15373c719521
hex1f2e8cf522

133924975906 has 4 divisors (see below), whose sum is σ = 200887463862. Its totient is φ = 66962487952.

The previous prime is 133924975871. The next prime is 133924975963. The reversal of 133924975906 is 609579429331.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 122751428881 + 11173547025 = 350359^2 + 105705^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33481243975 + ... + 33481243978.

Almost surely, 2133924975906 is an apocalyptic number.

133924975906 is a deficient number, since it is larger than the sum of its proper divisors (66962487956).

133924975906 is an equidigital number, since it uses as much as digits as its factorization.

133924975906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66962487955.

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 133924975906 in words is "one hundred thirty-three billion, nine hundred twenty-four million, nine hundred seventy-five thousand, nine hundred six".

Divisors: 1 2 66962487953 133924975906