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3121033042 = 22390965269
BaseRepresentation
bin1011101000000111…
…0010111101010010
322001111202220110101
42322001302331102
522342441024132
61233410323014
7140225225461
oct27201627522
98044686411
103121033042
111361818356
1273128946a
133a97b071a
142187109d8
151340007e7
hexba072f52

3121033042 has 8 divisors (see below), whose sum is σ = 4681817100. Its totient is φ = 1560427344.

The previous prime is 3121033033. The next prime is 3121033051. The reversal of 3121033042 is 2403301213.

3121033042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3121033033) and next prime (3121033051).

It can be written as a sum of positive squares in 2 ways, for example, as 2538245161 + 582787881 = 50381^2 + 24141^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15184 + ... + 80452.

Almost surely, 23121033042 is an apocalyptic number.

3121033042 is a deficient number, since it is larger than the sum of its proper divisors (1560784058).

3121033042 is a wasteful number, since it uses less digits than its factorization.

3121033042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89180.

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

The square root of 3121033042 is about 55866.2066190286. The cubic root of 3121033042 is about 1461.3899695202.

Adding to 3121033042 its reverse (2403301213), we get a palindrome (5524334255).

The spelling of 3121033042 in words is "three billion, one hundred twenty-one million, thirty-three thousand, forty-two".

Divisors: 1 2 23909 47818 65269 130538 1560516521 3121033042