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2151341551 = 17137923719
BaseRepresentation
bin1000000000111010…
…1101110111101111
312112221010110210201
42000032231313233
513401220412201
6553250414331
7104212046542
oct20016556757
95487113721
102151341551
11a04415827
125005913a7
13283925a88
14165a12859
15c8d09801
hex803addef

2151341551 has 8 divisors (see below), whose sum is σ = 2294520480. Its totient is φ = 2010010368.

The previous prime is 2151341537. The next prime is 2151341561. The reversal of 2151341551 is 1551431512.

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

It is not a de Polignac number, because 2151341551 - 29 = 2151341039 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 (2151341561) 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, 459531 + ... + 464188.

It is an arithmetic number, because the mean of its divisors is an integer number (286815060).

Almost surely, 22151341551 is an apocalyptic number.

2151341551 is a deficient number, since it is larger than the sum of its proper divisors (143178929).

2151341551 is a wasteful number, since it uses less digits than its factorization.

2151341551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923873.

The product of its digits is 3000, while the sum is 28.

The square root of 2151341551 is about 46382.5565379917. The cubic root of 2151341551 is about 1290.9312729324.

The spelling of 2151341551 in words is "two billion, one hundred fifty-one million, three hundred forty-one thousand, five hundred fifty-one".

Divisors: 1 17 137 2329 923719 15703223 126549503 2151341551