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4272761145 = 35284850743
BaseRepresentation
bin1111111010101101…
…0010100100111001
3102000202221202101210
43332223102210321
532222311324040
61543552033333
7210611604402
oct37653224471
912022852353
104272761145
1118a2953764
129b2b32849
135312a3243
142c76769a9
151a01a3480
hexfead2939

4272761145 has 8 divisors (see below), whose sum is σ = 6836417856. Its totient is φ = 2278805936.

The previous prime is 4272761111. The next prime is 4272761149. The reversal of 4272761145 is 5411672724.

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

It is a cyclic number.

It is not a de Polignac number, because 4272761145 - 211 = 4272759097 is a prime.

It is a super-2 number, since 2×42727611452 = 36512975604443422050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4272761149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142425357 + ... + 142425386.

It is an arithmetic number, because the mean of its divisors is an integer number (854552232).

Almost surely, 24272761145 is an apocalyptic number.

It is an amenable number.

4272761145 is a deficient number, since it is larger than the sum of its proper divisors (2563656711).

4272761145 is a wasteful number, since it uses less digits than its factorization.

4272761145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284850751.

The product of its digits is 94080, while the sum is 39.

The square root of 4272761145 is about 65366.3609588296. The cubic root of 4272761145 is about 1622.6924115928.

The spelling of 4272761145 in words is "four billion, two hundred seventy-two million, seven hundred sixty-one thousand, one hundred forty-five".

Divisors: 1 3 5 15 284850743 854552229 1424253715 4272761145