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7976900009 = 132347326141
BaseRepresentation
bin1110110110111010…
…11101010110101001
3202120220221111200002
413123131131112221
5112314041300014
63355312352345
7401450350151
oct73335352651
922526844602
107976900009
113423830051
1216675456b5
139a18159a0
145595b3761
1531a485dde
hex1db75d5a9

7976900009 has 8 divisors (see below), whose sum is σ = 8591202312. Its totient is φ = 7362696960.

The previous prime is 7976899999. The next prime is 7976900023. The reversal of 7976900009 is 9000096797.

It can be written as a sum of positive squares in 4 ways, for example, as 2860645225 + 5116254784 = 53485^2 + 71528^2 .

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 7976900009 - 228 = 7708464553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7976900039) 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, 292079 + ... + 318219.

It is an arithmetic number, because the mean of its divisors is an integer number (1073900289).

Almost surely, 27976900009 is an apocalyptic number.

It is an amenable number.

7976900009 is a deficient number, since it is larger than the sum of its proper divisors (614302303).

7976900009 is a wasteful number, since it uses less digits than its factorization.

7976900009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49627.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 7976900009 is about 89313.4928720179. The cubic root of 7976900009 is about 1998.0731449610.

The spelling of 7976900009 in words is "seven billion, nine hundred seventy-six million, nine hundred thousand, nine".

Divisors: 1 13 23473 26141 305149 339833 613607693 7976900009