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7053903445 = 51410780689
BaseRepresentation
bin1101001000111001…
…00000011001010101
3200012121011102102011
412210130200121111
5103421244402240
63123541344221
7336542122111
oct64434403125
920177142364
107053903445
112a9a821076
12144a408071
13885529c84
144acb8c741
152b44156ea
hex1a4720655

7053903445 has 4 divisors (see below), whose sum is σ = 8464684140. Its totient is φ = 5643122752.

The previous prime is 7053903433. The next prime is 7053903497. The reversal of 7053903445 is 5443093507.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5443093507 = 17320181971.

It can be written as a sum of positive squares in 2 ways, for example, as 4822191364 + 2231712081 = 69442^2 + 47241^2 .

It is a cyclic number.

It is not a de Polignac number, because 7053903445 - 25 = 7053903413 is a prime.

It is a super-2 number, since 2×70539034452 = 99515107622765736050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7053903398 and 7053903407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705390340 + ... + 705390349.

It is an arithmetic number, because the mean of its divisors is an integer number (2116171035).

Almost surely, 27053903445 is an apocalyptic number.

It is an amenable number.

7053903445 is a deficient number, since it is larger than the sum of its proper divisors (1410780695).

7053903445 is a wasteful number, since it uses less digits than its factorization.

7053903445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410780694.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 7053903445 is about 83987.5195788041. The cubic root of 7053903445 is about 1917.8288033537.

The spelling of 7053903445 in words is "seven billion, fifty-three million, nine hundred three thousand, four hundred forty-five".

Divisors: 1 5 1410780689 7053903445