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2151504055 = 529103914281
BaseRepresentation
bin1000000000111101…
…0101100010110111
312112221102201201101
42000033111202313
513401241112210
6553254110531
7104213324401
oct20017254267
95487381641
102151504055
11a04516928
1250064b447
13283981a2c
14165a55b71
15c8d3ca3a
hex803d58b7

2151504055 has 16 divisors (see below), whose sum is σ = 2673590400. Its totient is φ = 1660135680.

The previous prime is 2151504053. The next prime is 2151504077. The reversal of 2151504055 is 5504051512.

It is not a de Polignac number, because 2151504055 - 21 = 2151504053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151504053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143515 + ... + 157795.

It is an arithmetic number, because the mean of its divisors is an integer number (167099400).

Almost surely, 22151504055 is an apocalyptic number.

2151504055 is a deficient number, since it is larger than the sum of its proper divisors (522086345).

2151504055 is a wasteful number, since it uses less digits than its factorization.

2151504055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15354.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 2151504055 is about 46384.3082841601. The cubic root of 2151504055 is about 1290.9637760951.

Adding to 2151504055 its reverse (5504051512), we get a palindrome (7655555567).

The spelling of 2151504055 in words is "two billion, one hundred fifty-one million, five hundred four thousand, fifty-five".

Divisors: 1 5 29 145 1039 5195 14281 30131 71405 150655 414149 2070745 14837959 74189795 430300811 2151504055