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8942241993 = 323312792907
BaseRepresentation
bin10000101001111111…
…11100100011001001
3212002012101221220220
420110333330203021
5121303203220433
64035155140253
7434411542236
oct102477744311
925065357826
108942241993
113879731843
1218968a4689
13ac6809969
1460b89c78d
153750bd2b3
hex214ffc8c9

8942241993 has 8 divisors (see below), whose sum is σ = 11974161888. Its totient is φ = 5935908384.

The previous prime is 8942241977. The next prime is 8942242007. The reversal of 8942241993 is 3991422498.

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

It is not a de Polignac number, because 8942241993 - 24 = 8942241977 is a prime.

It is a super-2 number, since 2×89422419932 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8942241193) 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, 6395755 + ... + 6397152.

It is an arithmetic number, because the mean of its divisors is an integer number (1496770236).

Almost surely, 28942241993 is an apocalyptic number.

It is an amenable number.

8942241993 is a deficient number, since it is larger than the sum of its proper divisors (3031919895).

8942241993 is a wasteful number, since it uses less digits than its factorization.

8942241993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12793143.

The product of its digits is 1119744, while the sum is 51.

The square root of 8942241993 is about 94563.4284118337. The cubic root of 8942241993 is about 2075.6245852299.

The spelling of 8942241993 in words is "eight billion, nine hundred forty-two million, two hundred forty-one thousand, nine hundred ninety-three".

Divisors: 1 3 233 699 12792907 38378721 2980747331 8942241993