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2140259237 = 19611846643
BaseRepresentation
bin111111110010001…
…1100001110100101
312112011021102201122
41333210130032211
513340401243422
6552213103325
7104015621564
oct17744341645
95464242648
102140259237
119a9136496
124b8927b45
132815456ac
14164369bdb
15c7d6ad42
hex7f91c3a5

2140259237 has 8 divisors (see below), whose sum is σ = 2289838560. Its totient is φ = 1994373360.

The previous prime is 2140259213. The next prime is 2140259291. The reversal of 2140259237 is 7329520412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2140259237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140259197 and 2140259206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140259207) 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, 922163 + ... + 924480.

It is an arithmetic number, because the mean of its divisors is an integer number (286229820).

Almost surely, 22140259237 is an apocalyptic number.

It is an amenable number.

2140259237 is a deficient number, since it is larger than the sum of its proper divisors (149579323).

2140259237 is a wasteful number, since it uses less digits than its factorization.

2140259237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846723.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2140259237 is about 46262.9358882464. The cubic root of 2140259237 is about 1288.7107759592.

Adding to 2140259237 its reverse (7329520412), we get a palindrome (9469779649).

The spelling of 2140259237 in words is "two billion, one hundred forty million, two hundred fifty-nine thousand, two hundred thirty-seven".

Divisors: 1 19 61 1159 1846643 35086217 112645223 2140259237