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5172020747 = 29241740023
BaseRepresentation
bin1001101000100011…
…01100011000001011
3111100110001212122222
410310101230120023
541043014130442
62213114204255
7242111310455
oct46421543013
914313055588
105172020747
11221451a813
12100412368b
1364569a90a
14370c7d2d5
152040d58d2
hex13446c60b

5172020747 has 8 divisors (see below), whose sum is σ = 5372574240. Its totient is φ = 4972947840.

The previous prime is 5172020731. The next prime is 5172020753. The reversal of 5172020747 is 7470202715.

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

It is not a de Polignac number, because 5172020747 - 24 = 5172020731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5172020947) 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, 363023 + ... + 377000.

It is an arithmetic number, because the mean of its divisors is an integer number (671571780).

Almost surely, 25172020747 is an apocalyptic number.

5172020747 is a deficient number, since it is larger than the sum of its proper divisors (200553493).

5172020747 is a wasteful number, since it uses less digits than its factorization.

5172020747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740293.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 5172020747 is about 71916.7626287502. The cubic root of 5172020747 is about 1729.3653487494.

The spelling of 5172020747 in words is "five billion, one hundred seventy-two million, twenty thousand, seven hundred forty-seven".

Divisors: 1 29 241 6989 740023 21460667 178345543 5172020747