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2140552551 = 3960174317
BaseRepresentation
bin111111110010110…
…0011110101100111
312112011211100002010
41333211203311213
513340440140201
6552223245303
7104021252664
oct17745436547
95464740063
102140552551
119a93168a5
124b8a49833
13281619057
14164404a6b
15c7dc7bd6
hex7f963d67

2140552551 has 8 divisors (see below), whose sum is σ = 2854405744. Its totient is φ = 1426867200.

The previous prime is 2140552543. The next prime is 2140552577. The reversal of 2140552551 is 1552550412.

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

It is not a de Polignac number, because 2140552551 - 23 = 2140552543 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 (2140552591) 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, 8356 + ... + 65961.

It is an arithmetic number, because the mean of its divisors is an integer number (356800718).

Almost surely, 22140552551 is an apocalyptic number.

2140552551 is a deficient number, since it is larger than the sum of its proper divisors (713853193).

2140552551 is an equidigital number, since it uses as much as digits as its factorization.

2140552551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83921.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 2140552551 is about 46266.1058551506. The cubic root of 2140552551 is about 1288.7696441623.

The spelling of 2140552551 in words is "two billion, one hundred forty million, five hundred fifty-two thousand, five hundred fifty-one".

Divisors: 1 3 9601 28803 74317 222951 713517517 2140552551