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914038843721 = 3137796895243
BaseRepresentation
bin11010100110100001111…
…01011110100101001001
310020101021221100020101012
431103100331132211021
5104433422420444341
61535523104333305
7123015506660033
oct15232075364511
93211257306335
10914038843721
11322707109983
12129191914235
1368269148423
143234dad0c53
1518b99c840eb
hexd4d0f5e949

914038843721 has 8 divisors (see below), whose sum is σ = 969024616704. Its totient is φ = 860646861360.

The previous prime is 914038843699. The next prime is 914038843793. The reversal of 914038843721 is 127348830419.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-914038843721 is a prime.

It is a super-2 number, since 2×9140388437212 (a number of 25 digits) contains 22 as substring.

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 914038843721.

It is not an unprimeable number, because it can be changed into a prime (914038843321) 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, 398446475 + ... + 398448768.

It is an arithmetic number, because the mean of its divisors is an integer number (121128077088).

Almost surely, 2914038843721 is an apocalyptic number.

It is an amenable number.

914038843721 is a deficient number, since it is larger than the sum of its proper divisors (54985772983).

914038843721 is a wasteful number, since it uses less digits than its factorization.

914038843721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796895311.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 914038843721 in words is "nine hundred fourteen billion, thirty-eight million, eight hundred forty-three thousand, seven hundred twenty-one".

Divisors: 1 31 37 1147 796895243 24703752533 29485123991 914038843721