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5072187870 = 233529647789
BaseRepresentation
bin1001011100101001…
…10111000111011110
3111002111012211201000
410232110313013132
540341440002440
62155150331130
7236456612511
oct45624670736
914074184630
105072187870
112173132902
12b967b9aa6
1362aab51c9
143618d2d78
151ea465730
hex12e5371de

5072187870 has 64 divisors (see below), whose sum is σ = 13992264000. Its totient is φ = 1305940608.

The previous prime is 5072187817. The next prime is 5072187889. The reversal of 5072187870 is 787812705.

5072187870 is a `hidden beast` number, since 507 + 2 + 1 + 8 + 78 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316065 + ... + 331724.

It is an arithmetic number, because the mean of its divisors is an integer number (218629125).

Almost surely, 25072187870 is an apocalyptic number.

5072187870 is an abundant number, since it is smaller than the sum of its proper divisors (8920076130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5072187870 is a wasteful number, since it uses less digits than its factorization.

5072187870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647834 (or 647828 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 45.

The square root of 5072187870 is about 71219.2942256521. The cubic root of 5072187870 is about 1718.1659590144.

The spelling of 5072187870 in words is "five billion, seventy-two million, one hundred eighty-seven thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 29 30 45 54 58 87 90 135 145 174 261 270 290 435 522 783 870 1305 1566 2610 3915 7830 647789 1295578 1943367 3238945 3886734 5830101 6477890 9716835 11660202 17490303 18785881 19433670 29150505 34980606 37571762 56357643 58301010 87451515 93929405 112715286 169072929 174903030 187858810 281788215 338145858 507218787 563576430 845364645 1014437574 1690729290 2536093935 5072187870