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5445978707 = 132953141863
BaseRepresentation
bin1010001001001101…
…10000101001010011
3112001112120101100002
411010212300221103
542123132304312
62300222120215
7251646024641
oct50446605123
915045511302
105445978707
112345127454
12107ba2006b
1368a37b110
143993d4191
1521d19d4c2
hex1449b0a53

5445978707 has 8 divisors (see below), whose sum is σ = 5866927584. Its totient is φ = 5025319488.

The previous prime is 5445978677. The next prime is 5445978719. The reversal of 5445978707 is 7078795445.

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 5445978707 - 28 = 5445978451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5445978787) 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, 32543 + ... + 109320.

It is an arithmetic number, because the mean of its divisors is an integer number (733365948).

Almost surely, 25445978707 is an apocalyptic number.

5445978707 is a deficient number, since it is larger than the sum of its proper divisors (420948877).

5445978707 is a wasteful number, since it uses less digits than its factorization.

5445978707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144829.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The square root of 5445978707 is about 73796.8746424942. The cubic root of 5445978707 is about 1759.3759309231.

The spelling of 5445978707 in words is "five billion, four hundred forty-five million, nine hundred seventy-eight thousand, seven hundred seven".

Divisors: 1 13 2953 38389 141863 1844219 418921439 5445978707