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7657020073 = 90715835333
BaseRepresentation
bin1110010000110010…
…01101101010101001
3201202122000220220001
413020121031222221
5111140144120243
63303444303001
7360514411453
oct71031155251
921678026801
107657020073
11327a20856a
1215983a1a61
13950477311
14528d072d3
152ec34ba4d
hex1c864daa9

7657020073 has 8 divisors (see below), whose sum is σ = 7671742848. Its totient is φ = 7642312944.

The previous prime is 7657020043. The next prime is 7657020097. The reversal of 7657020073 is 3700207567.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7657020073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7657020043) 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, 1433115 + ... + 1438447.

It is an arithmetic number, because the mean of its divisors is an integer number (958967856).

Almost surely, 27657020073 is an apocalyptic number.

It is an amenable number.

7657020073 is a deficient number, since it is larger than the sum of its proper divisors (14722775).

7657020073 is a wasteful number, since it uses less digits than its factorization.

7657020073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 7657020073 is about 87504.4003064989. The cubic root of 7657020073 is about 1970.9998680341. Note that the first 3 decimals are identical.

The spelling of 7657020073 in words is "seven billion, six hundred fifty-seven million, twenty thousand, seventy-three".

Divisors: 1 907 1583 5333 1435781 4837031 8442139 7657020073