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4387714991 = 112390719121
BaseRepresentation
bin1000001011000011…
…10011011110101111
3102022210021000102122
410011201303132233
532441223334431
62003215543155
7213505650662
oct40541633657
912283230378
104387714991
111951829240
12a2552aabb
1354c05137a
142d8a3b6d9
151aa30da7b
hex1058737af

4387714991 has 16 divisors (see below), whose sum is σ = 5000479488. Its totient is φ = 3810998400.

The previous prime is 4387714957. The next prime is 4387715047. The reversal of 4387714991 is 1994177834.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-4387714991 is a prime.

It is a super-2 number, since 2×43877149912 = 38504085684492260162, 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 (4387719991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219911 + ... + 239031.

It is an arithmetic number, because the mean of its divisors is an integer number (312529968).

Almost surely, 24387714991 is an apocalyptic number.

4387714991 is a deficient number, since it is larger than the sum of its proper divisors (612764497).

4387714991 is a wasteful number, since it uses less digits than its factorization.

4387714991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20062.

The product of its digits is 1524096, while the sum is 53.

The square root of 4387714991 is about 66239.8293400579. The cubic root of 4387714991 is about 1637.1160637159.

The spelling of 4387714991 in words is "four billion, three hundred eighty-seven million, seven hundred fourteen thousand, nine hundred ninety-one".

Divisors: 1 11 23 253 907 9977 19121 20861 210331 229471 439783 4837613 17342747 190770217 398883181 4387714991