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9672872369 = 71145393763
BaseRepresentation
bin10010000001000110…
…00101000110110001
3220222010012211101012
421000203011012301
5124302223403434
64235455120305
7461463026036
oct110043050661
926863184335
109672872369
1141140a21a6
121a5b513095
13bb1cb1c24
1467a92b38d
153b92e13ce
hex2408c51b1

9672872369 has 8 divisors (see below), whose sum is σ = 9815965632. Its totient is φ = 9529969680.

The previous prime is 9672872329. The next prime is 9672872413. The reversal of 9672872369 is 9632782769.

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

It is a cyclic number.

It is not a de Polignac number, because 9672872369 - 228 = 9404436913 is a prime.

It is a super-2 number, since 2×96728723692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9672872329) 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, 56282 + ... + 150044.

It is an arithmetic number, because the mean of its divisors is an integer number (1226995704).

Almost surely, 29672872369 is an apocalyptic number.

It is an amenable number.

9672872369 is a deficient number, since it is larger than the sum of its proper divisors (143093263).

9672872369 is a wasteful number, since it uses less digits than its factorization.

9672872369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95287.

The product of its digits is 13716864, while the sum is 59.

The square root of 9672872369 is about 98350.7619136730. The cubic root of 9672872369 is about 2130.6812583484.

The spelling of 9672872369 in words is "nine billion, six hundred seventy-two million, eight hundred seventy-two thousand, three hundred sixty-nine".

Divisors: 1 71 1453 93763 103163 6657173 136237639 9672872369