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7066472770 = 257214421373
BaseRepresentation
bin1101001010011000…
…11101000101000010
3200020110211000021201
412211030131011002
5103433004112040
63125111011414
7340054012300
oct64514350502
920213730251
107066472770
112aa6926645
121452669b6a
1388800b146
144b0701270
152b5599a9a
hex1a531d142

7066472770 has 24 divisors (see below), whose sum is σ = 14796329724. Its totient is φ = 2422790496.

The previous prime is 7066472753. The next prime is 7066472779. The reversal of 7066472770 is 772746607.

It can be written as a sum of positive squares in 2 ways, for example, as 6972751009 + 93721761 = 83503^2 + 9681^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7066472770.

It is not an unprimeable number, because it can be changed into a prime (7066472779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7210197 + ... + 7211176.

Almost surely, 27066472770 is an apocalyptic number.

7066472770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7066472770 is an abundant number, since it is smaller than the sum of its proper divisors (7729856954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7066472770 is a wasteful number, since it uses less digits than its factorization.

7066472770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14421394 (or 14421387 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 46.

The square root of 7066472770 is about 84062.3148027700. The cubic root of 7066472770 is about 1918.9672514885.

The spelling of 7066472770 in words is "seven billion, sixty-six million, four hundred seventy-two thousand, seven hundred seventy".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 14421373 28842746 72106865 100949611 144213730 201899222 504748055 706647277 1009496110 1413294554 3533236385 7066472770