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2141667145 = 51492874721
BaseRepresentation
bin111111110100111…
…0011111101001001
312112020220222000101
41333221303331021
513341231322040
6552303205401
7104033604352
oct17751637511
95466828011
102141667145
119a9a08252
124b92a6861
13281919487
14164614d29
15c804809a
hex7fa73f49

2141667145 has 8 divisors (see below), whose sum is σ = 2587249800. Its totient is φ = 1701834240.

The previous prime is 2141667133. The next prime is 2141667161. The reversal of 2141667145 is 5417661412.

It can be written as a sum of positive squares in 4 ways, for example, as 53816896 + 2087850249 = 7336^2 + 45693^2 .

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

It is not a de Polignac number, because 2141667145 - 25 = 2141667113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436616 + ... + 1438105.

It is an arithmetic number, because the mean of its divisors is an integer number (323406225).

Almost surely, 22141667145 is an apocalyptic number.

It is an amenable number.

2141667145 is a deficient number, since it is larger than the sum of its proper divisors (445582655).

2141667145 is a wasteful number, since it uses less digits than its factorization.

2141667145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874875.

The product of its digits is 40320, while the sum is 37.

The square root of 2141667145 is about 46278.1497577420. The cubic root of 2141667145 is about 1288.9932944625.

The spelling of 2141667145 in words is "two billion, one hundred forty-one million, six hundred sixty-seven thousand, one hundred forty-five".

Divisors: 1 5 149 745 2874721 14373605 428333429 2141667145