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2043212139 = 3219293113291
BaseRepresentation
bin111100111001000…
…1111000101101011
312021101122221010200
41321302033011223
513141030242024
6534425043243
7101430005463
oct17162170553
95241587120
102043212139
11959381581
12490326523
132673c6c87
14155506ba3
15be59b2c9
hex79c8f16b

2043212139 has 48 divisors (see below), whose sum is σ = 3317683200. Its totient is φ = 1205668800.

The previous prime is 2043212069. The next prime is 2043212189. The reversal of 2043212139 is 9312123402.

It is a happy number.

2043212139 is a `hidden beast` number, since 204 + 321 + 2 + 139 = 666.

It is not a de Polignac number, because 2043212139 - 27 = 2043212011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2043212189) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147084 + ... + 160374.

It is an arithmetic number, because the mean of its divisors is an integer number (69118400).

Almost surely, 22043212139 is an apocalyptic number.

2043212139 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2043212139 is a deficient number, since it is larger than the sum of its proper divisors (1274471061).

2043212139 is a wasteful number, since it uses less digits than its factorization.

2043212139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13376 (or 13373 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2043212139 is about 45201.9041523695. The cubic root of 2043212139 is about 1268.9304527756.

The spelling of 2043212139 in words is "two billion, forty-three million, two hundred twelve thousand, one hundred thirty-nine".

Divisors: 1 3 9 19 29 31 57 87 93 171 261 279 551 589 899 1653 1767 2697 4959 5301 8091 13291 17081 39873 51243 119619 153729 252529 385439 412021 757587 1156317 1236063 2272761 3468951 3708189 7323341 7828399 11948609 21970023 23485197 35845827 65910069 70455591 107537481 227023571 681070713 2043212139