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2138334229 = 37438316193
BaseRepresentation
bin111111101110100…
…0110010000010101
312112000122122010001
41333131012100111
513334403143404
6552103531301
7103663353403
oct17735062025
95460578101
102138334229
119a8041179
124b8159b31
13281020435
14163dc8473
15c7ada7a4
hex7f746415

2138334229 has 16 divisors (see below), whose sum is σ = 2274414912. Its totient is φ = 2007548928.

The previous prime is 2138334221. The next prime is 2138334257. The reversal of 2138334229 is 9224338312.

It is a cyclic number.

It is not a de Polignac number, because 2138334229 - 23 = 2138334221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138334221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123957 + ... + 140149.

It is an arithmetic number, because the mean of its divisors is an integer number (142150932).

Almost surely, 22138334229 is an apocalyptic number.

It is an amenable number.

2138334229 is a deficient number, since it is larger than the sum of its proper divisors (136080683).

2138334229 is a wasteful number, since it uses less digits than its factorization.

2138334229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16356.

The product of its digits is 62208, while the sum is 37.

The square root of 2138334229 is about 46242.1261297532. The cubic root of 2138334229 is about 1288.3242927640.

The spelling of 2138334229 in words is "two billion, one hundred thirty-eight million, three hundred thirty-four thousand, two hundred twenty-nine".

Divisors: 1 37 43 83 1591 3071 3569 16193 132053 599141 696299 1344019 25763063 49728703 57792817 2138334229