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2133807372 = 223259272427
BaseRepresentation
bin111111100101111…
…0101000100001100
312111201010122102200
41333023311010030
513332223313442
6551422521500
7103610030514
oct17713650414
95451118380
102133807372
119a552a074
124b6736290
132800c6b18
1416356a844
15c74e434c
hex7f2f510c

2133807372 has 18 divisors (see below), whose sum is σ = 5393790948. Its totient is φ = 711269112.

The previous prime is 2133807349. The next prime is 2133807373. The reversal of 2133807372 is 2737083312.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 59272427 = 2133807372 / (2 + 1 + 3 + 3 + 8 + 0 + 7 + 3 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (2133807373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29636178 + ... + 29636249.

Almost surely, 22133807372 is an apocalyptic number.

It is an amenable number.

2133807372 is an abundant number, since it is smaller than the sum of its proper divisors (3259983576).

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

2133807372 is a wasteful number, since it uses less digits than its factorization.

2133807372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59272437 (or 59272432 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 2133807372 is about 46193.1528692294. The cubic root of 2133807372 is about 1287.4145222669.

The spelling of 2133807372 in words is "two billion, one hundred thirty-three million, eight hundred seven thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 59272427 118544854 177817281 237089708 355634562 533451843 711269124 1066903686 2133807372