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5175013921 = 721144321673
BaseRepresentation
bin1001101000111010…
…00111001000100001
3111100122200221112021
410310131013020201
541044300421141
62213302301441
7242145615100
oct46435071041
914318627467
105175013921
112216184610
121005127881
136461a811c
1437141c037
152044c76d1
hex134747221

5175013921 has 24 divisors (see below), whose sum is σ = 6582307104. Its totient is φ = 4023190080.

The previous prime is 5175013919. The next prime is 5175013933. The reversal of 5175013921 is 1293105715.

It is not a de Polignac number, because 5175013921 - 21 = 5175013919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5175013951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227941 + ... + 249613.

It is an arithmetic number, because the mean of its divisors is an integer number (274262796).

Almost surely, 25175013921 is an apocalyptic number.

It is an amenable number.

5175013921 is a deficient number, since it is larger than the sum of its proper divisors (1407293183).

5175013921 is a wasteful number, since it uses less digits than its factorization.

5175013921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22141 (or 22134 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 5175013921 is about 71937.5696072643. The cubic root of 5175013921 is about 1729.6988929883.

The spelling of 5175013921 in words is "five billion, one hundred seventy-five million, thirteen thousand, nine hundred twenty-one".

Divisors: 1 7 11 49 77 443 539 3101 4873 21673 21707 34111 151711 238403 238777 1061977 1668821 9601139 11681747 67207973 105612529 470455811 739287703 5175013921