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19950901117 = 75475210473
BaseRepresentation
bin10010100101001010…
…101001011101111101
31220111102010210020121
4102211022221131331
5311324412313432
613055413014541
71304254601320
oct224512513575
956442123217
1019950901117
118508844334
123a49624451
131b5c476744
14d739847b7
157bb7bd197
hex4a52a977d

19950901117 has 8 divisors (see below), whose sum is σ = 22842718016. Its totient is φ = 17069506272.

The previous prime is 19950901099. The next prime is 19950901147. The reversal of 19950901117 is 71110905991.

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

It is not a de Polignac number, because 19950901117 - 211 = 19950899069 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 (19950901147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2601408 + ... + 2609065.

It is an arithmetic number, because the mean of its divisors is an integer number (2855339752).

Almost surely, 219950901117 is an apocalyptic number.

It is an amenable number.

19950901117 is a deficient number, since it is larger than the sum of its proper divisors (2891816899).

19950901117 is an equidigital number, since it uses as much as digits as its factorization.

19950901117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5211027.

The product of its (nonzero) digits is 25515, while the sum is 43.

The spelling of 19950901117 in words is "nineteen billion, nine hundred fifty million, nine hundred one thousand, one hundred seventeen".

Divisors: 1 7 547 3829 5210473 36473311 2850128731 19950901117