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5144121387 = 32571569043
BaseRepresentation
bin1001100101001110…
…10001000000101011
3111021111120102221100
410302213101000223
541013343341022
62210240212443
7241322211306
oct46247210053
914244512840
105144121387
1121aa7a4599
12bb690a123
1363c97cb12
1436b299b3d
152019241ac
hex1329d102b

5144121387 has 6 divisors (see below), whose sum is σ = 7430397572. Its totient is φ = 3429414252.

The previous prime is 5144121383. The next prime is 5144121391. The reversal of 5144121387 is 7831214415.

5144121387 is a `hidden beast` number, since 514 + 4 + 1 + 2 + 138 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (5144121383) and next prime (5144121391).

It is not a de Polignac number, because 5144121387 - 22 = 5144121383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5144121383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285784513 + ... + 285784530.

Almost surely, 25144121387 is an apocalyptic number.

5144121387 is a deficient number, since it is larger than the sum of its proper divisors (2286276185).

5144121387 is a wasteful number, since it uses less digits than its factorization.

5144121387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571569049 (or 571569046 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 5144121387 is about 71722.5305395731. The cubic root of 5144121387 is about 1726.2501767776.

The spelling of 5144121387 in words is "five billion, one hundred forty-four million, one hundred twenty-one thousand, three hundred eighty-seven".

Divisors: 1 3 9 571569043 1714707129 5144121387