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2140507351 = 23191348649
BaseRepresentation
bin111111110010101…
…1000110011010111
312112011202001002001
41333211120303113
513340432213401
6552222300131
7104021004133
oct17745306327
95464661061
102140507351
119a9295944
124b8a27647
132816015c8
141643d23c3
15c7db9601
hex7f958cd7

2140507351 has 8 divisors (see below), whose sum is σ = 2234786400. Its totient is φ = 2046329472.

The previous prime is 2140507331. The next prime is 2140507367. The reversal of 2140507351 is 1537050412.

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 not a de Polignac number, because 2140507351 - 211 = 2140505303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140507331) 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, 19675 + ... + 68323.

It is an arithmetic number, because the mean of its divisors is an integer number (279348300).

Almost surely, 22140507351 is an apocalyptic number.

2140507351 is a deficient number, since it is larger than the sum of its proper divisors (94279049).

2140507351 is a wasteful number, since it uses less digits than its factorization.

2140507351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50585.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2140507351 is about 46265.6173740284. The cubic root of 2140507351 is about 1288.7605728600.

Adding to 2140507351 its reverse (1537050412), we get a palindrome (3677557763).

The spelling of 2140507351 in words is "two billion, one hundred forty million, five hundred seven thousand, three hundred fifty-one".

Divisors: 1 23 1913 43999 48649 1118927 93065537 2140507351