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195301190161 = 7112536379093
BaseRepresentation
bin1011010111100011011…
…0111010101000010001
3200200002212122102011101
42311320312322220101
511144434101041121
6225415314144401
720052513503650
oct2657066725021
9620085572141
10195301190161
1175910480890
1231a25b82101
13155559b701c
14964a023197
155130bb4491
hex2d78dbaa11

195301190161 has 8 divisors (see below), whose sum is σ = 243492393024. Its totient is φ = 152182745520.

The previous prime is 195301190153. The next prime is 195301190173. The reversal of 195301190161 is 161091103591.

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 195301190161 - 23 = 195301190153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195301190161.

It is not an unprimeable number, because it can be changed into a prime (195301190261) 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, 1268189470 + ... + 1268189623.

It is an arithmetic number, because the mean of its divisors is an integer number (30436549128).

Almost surely, 2195301190161 is an apocalyptic number.

195301190161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

195301190161 is a deficient number, since it is larger than the sum of its proper divisors (48191202863).

195301190161 is a wasteful number, since it uses less digits than its factorization.

195301190161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536379111.

The product of its (nonzero) digits is 7290, while the sum is 37.

The spelling of 195301190161 in words is "one hundred ninety-five billion, three hundred one million, one hundred ninety thousand, one hundred sixty-one".

Divisors: 1 7 11 77 2536379093 17754653651 27900170023 195301190161