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5212011031 = 37230961007
BaseRepresentation
bin1001101101010100…
…01111101000010111
3111110020022121000121
410312222033220113
541133233323111
62221103252411
7243105235303
oct46652175027
914406277017
105212011031
112235054037
1210155aa107
13650a5cbc6
143762ccd03
15207884871
hex136a8fa17

5212011031 has 8 divisors (see below), whose sum is σ = 5355282240. Its totient is φ = 5068866528.

The previous prime is 5212011019. The next prime is 5212011151. The reversal of 5212011031 is 1301102125.

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 5212011031 - 219 = 5211486743 is a prime.

It is a super-2 number, since 2×52120110312 = 54330117974531365922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5212010996 and 5212011014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212011331) 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, 54930 + ... + 115936.

It is an arithmetic number, because the mean of its divisors is an integer number (669410280).

Almost surely, 25212011031 is an apocalyptic number.

5212011031 is a deficient number, since it is larger than the sum of its proper divisors (143271209).

5212011031 is a wasteful number, since it uses less digits than its factorization.

5212011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63353.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 5212011031 is about 72194.2589892022. The cubic root of 5212011031 is about 1733.8110855857.

Adding to 5212011031 its reverse (1301102125), we get a palindrome (6513113156).

The spelling of 5212011031 in words is "five billion, two hundred twelve million, eleven thousand, thirty-one".

Divisors: 1 37 2309 61007 85433 2257259 140865163 5212011031