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3122130043 = 6703465781
BaseRepresentation
bin1011101000010111…
…1110110001111011
322001120211122021001
42322011332301323
522343231130133
61233450025431
7140240444644
oct27205766173
98046748231
103122130043
1113623a756a
12731718277
133a9aa5b36
142189186cb
1513416a87d
hexba17ec7b

3122130043 has 4 divisors (see below), whose sum is σ = 3122602528. Its totient is φ = 3121657560.

The previous prime is 3122129987. The next prime is 3122130049. The reversal of 3122130043 is 3400312213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3122130043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3122130043.

It is not an unprimeable number, because it can be changed into a prime (3122130049) 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, 226188 + ... + 239593.

It is an arithmetic number, because the mean of its divisors is an integer number (780650632).

Almost surely, 23122130043 is an apocalyptic number.

3122130043 is a deficient number, since it is larger than the sum of its proper divisors (472485).

3122130043 is an equidigital number, since it uses as much as digits as its factorization.

3122130043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472484.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3122130043 is about 55876.0238653396. The cubic root of 3122130043 is about 1461.5611690819.

Adding to 3122130043 its reverse (3400312213), we get a palindrome (6522442256).

The spelling of 3122130043 in words is "three billion, one hundred twenty-two million, one hundred thirty thousand, forty-three".

Divisors: 1 6703 465781 3122130043