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9668472961 = 71381210423
BaseRepresentation
bin10010000000100100…
…10011000010000001
3220221210221022112011
421000102103002001
5124300112113321
64235220532521
7461410443550
oct110022230201
926853838464
109668472961
114111667924
121a59b51141
13bb1101624
1467a103d97
153b8c22ae1
hex240493081

9668472961 has 4 divisors (see below), whose sum is σ = 11049683392. Its totient is φ = 8287262532.

The previous prime is 9668472941. The next prime is 9668473013. The reversal of 9668472961 is 1692748669.

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: 1692748669 = 12899131231.

It is a cyclic number.

It is not a de Polignac number, because 9668472961 - 25 = 9668472929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9668472896 and 9668472905.

It is not an unprimeable number, because it can be changed into a prime (9668472941) 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, 690605205 + ... + 690605218.

It is an arithmetic number, because the mean of its divisors is an integer number (2762420848).

Almost surely, 29668472961 is an apocalyptic number.

It is an amenable number.

9668472961 is a deficient number, since it is larger than the sum of its proper divisors (1381210431).

9668472961 is a wasteful number, since it uses less digits than its factorization.

9668472961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381210430.

The product of its digits is 7838208, while the sum is 58.

The square root of 9668472961 is about 98328.3934629261. The cubic root of 9668472961 is about 2130.3581844536.

The spelling of 9668472961 in words is "nine billion, six hundred sixty-eight million, four hundred seventy-two thousand, nine hundred sixty-one".

Divisors: 1 7 1381210423 9668472961