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5120627731 = 97119312731
BaseRepresentation
bin1001100010011011…
…01001010000010011
3111012212100211200221
410301031221100103
540441340041411
62204040453511
7240615421552
oct46115512023
914185324627
105120627731
11219850844a
12baaa7a297
13637b4544b
14368101d99
151ee833071
hex131369413

5120627731 has 8 divisors (see below), whose sum is σ = 5130433728. Its totient is φ = 5110833000.

The previous prime is 5120627723. The next prime is 5120627789. The reversal of 5120627731 is 1377260215.

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 5120627731 - 23 = 5120627723 is a prime.

It is a super-2 number, since 2×51206277312 = 52441656718972416722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5120627791) 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, 1873636 + ... + 1876366.

It is an arithmetic number, because the mean of its divisors is an integer number (641304216).

Almost surely, 25120627731 is an apocalyptic number.

5120627731 is a deficient number, since it is larger than the sum of its proper divisors (9805997).

5120627731 is a wasteful number, since it uses less digits than its factorization.

5120627731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 5120627731 is about 71558.5615492654. The cubic root of 5120627731 is about 1723.6181869305.

Adding to 5120627731 its reverse (1377260215), we get a palindrome (6497887946).

The spelling of 5120627731 in words is "five billion, one hundred twenty million, six hundred twenty-seven thousand, seven hundred thirty-one".

Divisors: 1 971 1931 2731 1875001 2651801 5273561 5120627731