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7297769672 = 23302032
BaseRepresentation
bin1101100101111101…
…10010000011001000
3200211121001002222122
412302332302003020
5104421212112142
63204052310412
7345563006264
oct66276620310
920747032878
107297769672
113105445406
1214b8012408
138c3c0280b
144d330d0a4
152caa371d2
hex1b2fb20c8

7297769672 has 12 divisors (see below), whose sum is σ = 13683771195. Its totient is φ = 3648764024.

The previous prime is 7297769671. The next prime is 7297769701. The reversal of 7297769672 is 2769677927.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 3648884836 + 3648884836 = 60406^2 + 60406^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=60406.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7297769671) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 226523 + ... + 256725.

Almost surely, 27297769672 is an apocalyptic number.

It is an amenable number.

7297769672 is a deficient number, since it is larger than the sum of its proper divisors (6386001523).

7297769672 is an frugal number, since it uses more digits than its factorization.

7297769672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60412 (or 30205 counting only the distinct ones).

The product of its digits is 28005264, while the sum is 62.

The square root of 7297769672 is about 85426.9844487092. The cubic root of 7297769672 is about 1939.6798345067.

The spelling of 7297769672 in words is "seven billion, two hundred ninety-seven million, seven hundred sixty-nine thousand, six hundred seventy-two".

Divisors: 1 2 4 8 30203 60406 120812 241624 912221209 1824442418 3648884836 7297769672