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5145673831 = 137269139627
BaseRepresentation
bin1001100101011010…
…01100000001100111
3111021121111022111021
410302231030001213
541014243030311
62210333352011
7241341335344
oct46255140147
914247438437
105145673831
112200664a01
12bb7338607
136400a461c
1436b5817cb
15201b2e171
hex132b4c067

5145673831 has 8 divisors (see below), whose sum is σ = 5202539280. Its totient is φ = 5089088448.

The previous prime is 5145673829. The next prime is 5145673861. The reversal of 5145673831 is 1383765415.

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 5145673831 - 21 = 5145673829 is a prime.

It is a super-2 number, since 2×51456738312 = 52955918350076433122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145673801) 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, 32961 + ... + 106666.

It is an arithmetic number, because the mean of its divisors is an integer number (650317410).

Almost surely, 25145673831 is an apocalyptic number.

5145673831 is a deficient number, since it is larger than the sum of its proper divisors (56865449).

5145673831 is a wasteful number, since it uses less digits than its factorization.

5145673831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140033.

The product of its digits is 302400, while the sum is 43.

The square root of 5145673831 is about 71733.3522916642. The cubic root of 5145673831 is about 1726.4238142810.

It can be divided in two parts, 5145 and 673831, that added together give a square (678976 = 8242).

The spelling of 5145673831 in words is "five billion, one hundred forty-five million, six hundred seventy-three thousand, eight hundred thirty-one".

Divisors: 1 137 269 36853 139627 19128899 37559663 5145673831