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9972270719 = 121324773319
BaseRepresentation
bin10010100100110010…
…01100011001111111
3221201222120211200222
421102121030121333
5130410400130334
64325312211555
7502056621365
oct112231143177
927658524628
109972270719
1142580a5654
121b23839bbb
13c2c02bc08
146a85c5635
153d5731d2e
hex25264c67f

9972270719 has 8 divisors (see below), whose sum is σ = 9987529440. Its totient is φ = 9957026016.

The previous prime is 9972270713. The next prime is 9972270733. The reversal of 9972270719 is 9170722799.

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-9972270719 is a prime.

It is a super-2 number, since 2×99722707192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9972270713) 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, 3002942 + ... + 3006260.

It is an arithmetic number, because the mean of its divisors is an integer number (1248441180).

Almost surely, 29972270719 is an apocalyptic number.

9972270719 is a deficient number, since it is larger than the sum of its proper divisors (15258721).

9972270719 is a wasteful number, since it uses less digits than its factorization.

9972270719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009.

The product of its (nonzero) digits is 1000188, while the sum is 53.

The square root of 9972270719 is about 99861.2573473817. The cubic root of 9972270719 is about 2152.4414823907.

The spelling of 9972270719 in words is "nine billion, nine hundred seventy-two million, two hundred seventy thousand, seven hundred nineteen".

Divisors: 1 1213 2477 3319 3004601 4025947 8221163 9972270719