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2139127301 = 4794465819
BaseRepresentation
bin111111110000000…
…0111111000000101
312112002010221000002
41333200013320011
513340104033201
6552132531045
7104003165513
oct17740077005
95462127002
102139127301
119a8533003
124b8480a85
1328123a3cc
141641534b3
15c7be576b
hex7f807e05

2139127301 has 4 divisors (see below), whose sum is σ = 2143593600. Its totient is φ = 2134661004.

The previous prime is 2139127283. The next prime is 2139127303. The reversal of 2139127301 is 1037219312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2139127301 - 210 = 2139126277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139127303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2232431 + ... + 2233388.

It is an arithmetic number, because the mean of its divisors is an integer number (535898400).

Almost surely, 22139127301 is an apocalyptic number.

It is an amenable number.

2139127301 is a deficient number, since it is larger than the sum of its proper divisors (4466299).

2139127301 is an equidigital number, since it uses as much as digits as its factorization.

2139127301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466298.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2139127301 is about 46250.7005460458. The cubic root of 2139127301 is about 1288.4835456412.

The spelling of 2139127301 in words is "two billion, one hundred thirty-nine million, one hundred twenty-seven thousand, three hundred one".

Divisors: 1 479 4465819 2139127301