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195401903093 = 1391762379769
BaseRepresentation
bin1011010111111011011…
…1000110101111110101
3200200100220011011022222
42311332313012233311
511200140341344333
6225433312532125
720055145525445
oct2657667065765
9620326134288
10195401903093
1175962309a11
1231a53851045
131557081a187
14965955c125
15513995a298
hex2d7edc6bf5

195401903093 has 8 divisors (see below), whose sum is σ = 196821307200. Its totient is φ = 193982694048.

The previous prime is 195401903017. The next prime is 195401903173. The reversal of 195401903093 is 390309104591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195401903093 - 218 = 195401640949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195401903393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2409713 + ... + 2489481.

It is an arithmetic number, because the mean of its divisors is an integer number (24602663400).

Almost surely, 2195401903093 is an apocalyptic number.

It is an amenable number.

195401903093 is a deficient number, since it is larger than the sum of its proper divisors (1419404107).

195401903093 is a wasteful number, since it uses less digits than its factorization.

195401903093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97531.

The product of its (nonzero) digits is 131220, while the sum is 44.

The spelling of 195401903093 in words is "one hundred ninety-five billion, four hundred one million, nine hundred three thousand, ninety-three".

Divisors: 1 139 17623 79769 2449597 11087891 1405769087 195401903093