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5185637144 = 231663338971
BaseRepresentation
bin1001101010001011…
…01000101100011000
3111101101200122211222
410311011220230120
541110010342034
62214322111212
7242335121432
oct46505505430
914341618758
105185637144
11222117aa36
1210087ab508
1364845755c
143729c5652
152053c512e
hex135168b18

5185637144 has 16 divisors (see below), whose sum is σ = 9723903720. Its totient is φ = 2592596160.

The previous prime is 5185637131. The next prime is 5185637161. The reversal of 5185637144 is 4417365815.

It is a junction number, because it is equal to n+sod(n) for n = 5185637095 and 5185637104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113579 + ... + 152549.

Almost surely, 25185637144 is an apocalyptic number.

It is an amenable number.

5185637144 is a deficient number, since it is larger than the sum of its proper divisors (4538266576).

5185637144 is a wasteful number, since it uses less digits than its factorization.

5185637144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55610 (or 55606 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 5185637144 is about 72011.3681580902. The cubic root of 5185637144 is about 1730.8816542544.

The spelling of 5185637144 in words is "five billion, one hundred eighty-five million, six hundred thirty-seven thousand, one hundred forty-four".

Divisors: 1 2 4 8 16633 33266 38971 66532 77942 133064 155884 311768 648204643 1296409286 2592818572 5185637144