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20966530710 = 235857815501
BaseRepresentation
bin10011100001101100…
…111101111010010110
32000010012020010010110
4103201230331322112
5320414412440320
613344253303450
71341366366456
oct234154757226
960105203113
1020966530710
11898a072934
124091794b86
131c919c69b8
14102c7ddd66
1582aa3a5e0
hex4e1b3de96

20966530710 has 32 divisors (see below), whose sum is σ = 50378451552. Its totient is φ = 5584544000.

The previous prime is 20966530699. The next prime is 20966530727. The reversal of 20966530710 is 1703566902.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382041 + ... + 433460.

It is an arithmetic number, because the mean of its divisors is an integer number (1574326611).

Almost surely, 220966530710 is an apocalyptic number.

20966530710 is an abundant number, since it is smaller than the sum of its proper divisors (29411920842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20966530710 is a wasteful number, since it uses less digits than its factorization.

20966530710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816368.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 20966530710 in words is "twenty billion, nine hundred sixty-six million, five hundred thirty thousand, seven hundred ten".

Divisors: 1 2 3 5 6 10 15 30 857 1714 2571 4285 5142 8570 12855 25710 815501 1631002 2446503 4077505 4893006 8155010 12232515 24465030 698884357 1397768714 2096653071 3494421785 4193306142 6988843570 10483265355 20966530710