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974221049089 = 5916512221171
BaseRepresentation
bin11100010110101000001…
…10010111110100000001
310110010122010210000220101
432023110012113310001
5111430201042032324
62023315002042401
7130246051166521
oct16132406276401
93403563700811
10974221049089
1134618a425592
121389887a9401
1370b3a56c232
143521c853681
151a51d4c8944
hexe2d4197d01

974221049089 has 4 divisors (see below), whose sum is σ = 990733270320. Its totient is φ = 957708827860.

The previous prime is 974221049071. The next prime is 974221049093. The reversal of 974221049089 is 980940122479.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 980940122479 = 2713619705249.

It is a cyclic number.

It is not a de Polignac number, because 974221049089 - 25 = 974221049057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (974221049099) 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, 8256110527 + ... + 8256110644.

It is an arithmetic number, because the mean of its divisors is an integer number (247683317580).

Almost surely, 2974221049089 is an apocalyptic number.

It is an amenable number.

974221049089 is a deficient number, since it is larger than the sum of its proper divisors (16512221231).

974221049089 is a wasteful number, since it uses less digits than its factorization.

974221049089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16512221230.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 974221049089 in words is "nine hundred seventy-four billion, two hundred twenty-one million, forty-nine thousand, eighty-nine".

Divisors: 1 59 16512221171 974221049089