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5378738531 = 23233858197
BaseRepresentation
bin1010000001001100…
…10000100101100011
3111212212001020011012
411000212100211203
542003424113111
62245421011135
7250201344305
oct50046204543
914785036135
105378738531
112310180961
1210613b3aab
1367946782a
143904cd975
1521731a48b
hex140990963

5378738531 has 4 divisors (see below), whose sum is σ = 5612596752. Its totient is φ = 5144880312.

The previous prime is 5378738509. The next prime is 5378738567. The reversal of 5378738531 is 1358378735.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5378738531 - 226 = 5311629667 is a prime.

It is a super-2 number, since 2×53787385312 = 57861656369728075922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5378738531.

It is not an unprimeable number, because it can be changed into a prime (5378738591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116929076 + ... + 116929121.

It is an arithmetic number, because the mean of its divisors is an integer number (1403149188).

Almost surely, 25378738531 is an apocalyptic number.

5378738531 is a deficient number, since it is larger than the sum of its proper divisors (233858221).

5378738531 is a wasteful number, since it uses less digits than its factorization.

5378738531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233858220.

The product of its digits is 2116800, while the sum is 50.

The square root of 5378738531 is about 73339.8836309412. The cubic root of 5378738531 is about 1752.1050620321.

The spelling of 5378738531 in words is "five billion, three hundred seventy-eight million, seven hundred thirty-eight thousand, five hundred thirty-one".

Divisors: 1 23 233858197 5378738531