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7668041051 = 116111427781
BaseRepresentation
bin1110010010000110…
…10000010101011011
3201210101202211211102
413021003100111123
5111201004303201
63304520422015
7361010162546
oct71103202533
921711684742
107668041051
113285455810
1215a001790b
139528357c8
1452a57585d
152ed2c726b
hex1c90d055b

7668041051 has 8 divisors (see below), whose sum is σ = 8502269808. Its totient is φ = 6856668000.

The previous prime is 7668041041. The next prime is 7668041081. The reversal of 7668041051 is 1501408667.

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 7668041051 - 210 = 7668040027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7668040996 and 7668041014.

It is not an unprimeable number, because it can be changed into a prime (7668041021) 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, 5713220 + ... + 5714561.

It is an arithmetic number, because the mean of its divisors is an integer number (1062783726).

Almost surely, 27668041051 is an apocalyptic number.

7668041051 is a deficient number, since it is larger than the sum of its proper divisors (834228757).

7668041051 is a wasteful number, since it uses less digits than its factorization.

7668041051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11427853.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 7668041051 is about 87567.3515129926. The cubic root of 7668041051 is about 1971.9450543872.

The spelling of 7668041051 in words is "seven billion, six hundred sixty-eight million, forty-one thousand, fifty-one".

Divisors: 1 11 61 671 11427781 125705591 697094641 7668041051