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2075491331 = 13731511647
BaseRepresentation
bin111101110110101…
…0111110000000011
312100122101212212022
41323231113300003
513222311210311
6541540552055
7102301246064
oct17355276003
95318355768
102075491331
119756193a1
1249b0b262b
13270cb94a4
1415990a56b
15c23255db
hex7bb57c03

2075491331 has 4 divisors (see below), whose sum is σ = 2077004352. Its totient is φ = 2073978312.

The previous prime is 2075491307. The next prime is 2075491351. The reversal of 2075491331 is 1331945702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1331945702 = 2665972851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2075491331 is a prime.

It is a super-2 number, since 2×20754913312 = 8615328530112303122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2075491291 and 2075491300.

It is not an unprimeable number, because it can be changed into a prime (2075491351) 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, 754451 + ... + 757196.

It is an arithmetic number, because the mean of its divisors is an integer number (519251088).

Almost surely, 22075491331 is an apocalyptic number.

2075491331 is a deficient number, since it is larger than the sum of its proper divisors (1513021).

2075491331 is a wasteful number, since it uses less digits than its factorization.

2075491331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513020.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 2075491331 is about 45557.5606348716. The cubic root of 2075491331 is about 1275.5778656475.

The spelling of 2075491331 in words is "two billion, seventy-five million, four hundred ninety-one thousand, three hundred thirty-one".

Divisors: 1 1373 1511647 2075491331