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994201901 = 71112911713
BaseRepresentation
bin111011010000100…
…101000100101101
32120021202200121122
4323100211010231
54014003430101
6242353110325
733431401550
oct7320450455
92507680548
10994201901
11470223670
12238b583a5
1312ac8a064
149607c697
155c43851b
hex3b42512d

994201901 has 8 divisors (see below), whose sum is σ = 1239524544. Its totient is φ = 774702720.

The previous prime is 994201889. The next prime is 994201903. The reversal of 994201901 is 109102499.

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

It is not a de Polignac number, because 994201901 - 218 = 993939757 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 (994201903) 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, 6455780 + ... + 6455933.

It is an arithmetic number, because the mean of its divisors is an integer number (154940568).

Almost surely, 2994201901 is an apocalyptic number.

It is an amenable number.

994201901 is a deficient number, since it is larger than the sum of its proper divisors (245322643).

994201901 is a wasteful number, since it uses less digits than its factorization.

994201901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12911731.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 994201901 is about 31530.9673337181. The cubic root of 994201901 is about 998.0635529265.

The spelling of 994201901 in words is "nine hundred ninety-four million, two hundred one thousand, nine hundred one".

Divisors: 1 7 11 77 12911713 90381991 142028843 994201901