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5153212031 = 112382324749
BaseRepresentation
bin1001100110010011…
…11100011001111111
3111022010200021221212
410303021330121333
541023210241111
62211203115035
7241462402532
oct46311743177
914263607855
105153212031
112204943520
12bb9972a7b
136418137b6
1436c584a19
1520261c98b
hex13327c67f

5153212031 has 16 divisors (see below), whose sum is σ = 5873472000. Its totient is φ = 4475428320.

The previous prime is 5153212007. The next prime is 5153212039. The reversal of 5153212031 is 1302123515.

It is a happy number.

It is not a de Polignac number, because 5153212031 - 26 = 5153211967 is a prime.

It is a super-2 number, since 2×51532120312 = 53111188472886289922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 5153211988 and 5153212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5153212039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195845 + ... + 220593.

It is an arithmetic number, because the mean of its divisors is an integer number (367092000).

Almost surely, 25153212031 is an apocalyptic number.

5153212031 is a deficient number, since it is larger than the sum of its proper divisors (720259969).

5153212031 is a wasteful number, since it uses less digits than its factorization.

5153212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25606.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5153212031 is about 71785.8762640674. The cubic root of 5153212031 is about 1727.2664495080.

Adding to 5153212031 its reverse (1302123515), we get a palindrome (6455335546).

The spelling of 5153212031 in words is "five billion, one hundred fifty-three million, two hundred twelve thousand, thirty-one".

Divisors: 1 11 23 253 823 9053 18929 24749 208219 272239 569227 6261497 20368427 224052697 468473821 5153212031