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140115050191 = 491285366701
BaseRepresentation
bin1000001001111110000…
…0011111111011001111
3111101122212012000221101
42002133200133323033
54243423423101231
6144211251443531
713060116163414
oct2023740377317
9441585160841
10140115050191
1154471325046
12231a42b65a7
131029c674c2c
146ad2a1a10b
1539a0d9a661
hex209f81fecf

140115050191 has 4 divisors (see below), whose sum is σ = 140400417384. Its totient is φ = 139829683000.

The previous prime is 140115050183. The next prime is 140115050197. The reversal of 140115050191 is 191050511041.

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

It is a cyclic number.

It is not a de Polignac number, because 140115050191 - 23 = 140115050183 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 (140115050197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142682860 + ... + 142683841.

It is an arithmetic number, because the mean of its divisors is an integer number (35100104346).

Almost surely, 2140115050191 is an apocalyptic number.

140115050191 is a deficient number, since it is larger than the sum of its proper divisors (285367193).

140115050191 is an equidigital number, since it uses as much as digits as its factorization.

140115050191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285367192.

The product of its (nonzero) digits is 900, while the sum is 28.

The spelling of 140115050191 in words is "one hundred forty billion, one hundred fifteen million, fifty thousand, one hundred ninety-one".

Divisors: 1 491 285366701 140115050191