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20035042130 = 2517149790961
BaseRepresentation
bin10010101010001011…
…100111101101010010
31220201021110121000102
4102222023213231102
5312012432322010
613112020252402
71306326022355
oct225213475522
956637417012
1020035042130
118551293764
123a71841102
131b73a2691c
14d80c0829c
157c3d8dba5
hex4aa2e7b52

20035042130 has 32 divisors (see below), whose sum is σ = 38440753200. Its totient is φ = 7491973120.

The previous prime is 20035042129. The next prime is 20035042133. The reversal of 20035042130 is 3124053002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6858986761 + 13176055369 = 82819^2 + 114787^2 .

It is not an unprimeable number, because it can be changed into a prime (20035042133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370151 + ... + 420810.

Almost surely, 220035042130 is an apocalyptic number.

20035042130 is a deficient number, since it is larger than the sum of its proper divisors (18405711070).

20035042130 is a wasteful number, since it uses less digits than its factorization.

20035042130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791134.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20035042130 its reverse (3124053002), we get a palindrome (23159095132).

The spelling of 20035042130 in words is "twenty billion, thirty-five million, forty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 149 170 298 745 1490 2533 5066 12665 25330 790961 1581922 3954805 7909610 13446337 26892674 67231685 117853189 134463370 235706378 589265945 1178531890 2003504213 4007008426 10017521065 20035042130