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2139524733 = 3713174911
BaseRepresentation
bin111111110000110…
…1000111001111101
312112002220010011210
41333201220321331
513340204242413
6552145235033
7104006442303
oct17741507175
95462803153
102139524733
119a8784665
124b8632a79
13281349288
14164218273
15c7c733c3
hex7f868e7d

2139524733 has 4 divisors (see below), whose sum is σ = 2852699648. Its totient is φ = 1426349820.

The previous prime is 2139524719. The next prime is 2139524831. The reversal of 2139524733 is 3374259312.

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 not a de Polignac number, because 2139524733 - 26 = 2139524669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2139524691 and 2139524700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139528733) 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, 356587453 + ... + 356587458.

It is an arithmetic number, because the mean of its divisors is an integer number (713174912).

Almost surely, 22139524733 is an apocalyptic number.

It is an amenable number.

2139524733 is a deficient number, since it is larger than the sum of its proper divisors (713174915).

2139524733 is an equidigital number, since it uses as much as digits as its factorization.

2139524733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713174914.

The product of its digits is 136080, while the sum is 39.

The square root of 2139524733 is about 46254.9968435844. The cubic root of 2139524733 is about 1288.5633371963.

The spelling of 2139524733 in words is "two billion, one hundred thirty-nine million, five hundred twenty-four thousand, seven hundred thirty-three".

Divisors: 1 3 713174911 2139524733