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3031436387 = 78910944641
BaseRepresentation
bin1011010010110000…
…0000110001100011
321211021011220221202
42310230000301203
522202021431022
61220450111415
7135056532650
oct26454006143
97737156852
103031436387
111316192031
1270727b56b
13394070255
1420a86ac27
1512b203592
hexb4b00c63

3031436387 has 16 divisors (see below), whose sum is σ = 3535646400. Its totient is φ = 2545551360.

The previous prime is 3031436383. The next prime is 3031436399. The reversal of 3031436387 is 7836341303.

It is a cyclic number.

It is not a de Polignac number, because 3031436387 - 22 = 3031436383 is a prime.

It is a super-2 number, since 2×30314363872 = 18379213136855227538, 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 3031436387.

It is not an unprimeable number, because it can be changed into a prime (3031436383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45587 + ... + 90227.

It is an arithmetic number, because the mean of its divisors is an integer number (220977900).

Almost surely, 23031436387 is an apocalyptic number.

3031436387 is a deficient number, since it is larger than the sum of its proper divisors (504210013).

3031436387 is a wasteful number, since it uses less digits than its factorization.

3031436387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44846.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 3031436387 is about 55058.4815173830. The cubic root of 3031436387 is about 1447.2697552793.

The spelling of 3031436387 in words is "three billion, thirty-one million, four hundred thirty-six thousand, three hundred eighty-seven".

Divisors: 1 7 89 109 623 763 9701 44641 67907 312487 3973049 4865869 27811343 34061083 433062341 3031436387