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2069812706 = 21379608181
BaseRepresentation
bin111101101011110…
…1101010111100010
312100020201101020212
41323113231113202
513214333001311
6541215134122
7102202055243
oct17327552742
95306641225
102069812706
1197239aa15
12499214342
1326ca7b860
14158c6ccca
15c1aa2c8b
hex7b5ed5e2

2069812706 has 8 divisors (see below), whose sum is σ = 3343543644. Its totient is φ = 955298160.

The previous prime is 2069812687. The next prime is 2069812733. The reversal of 2069812706 is 6072189602.

It can be written as a sum of positive squares in 2 ways, for example, as 2043853681 + 25959025 = 45209^2 + 5095^2 .

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, 39804065 + ... + 39804116.

Almost surely, 22069812706 is an apocalyptic number.

2069812706 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2069812706 is a deficient number, since it is larger than the sum of its proper divisors (1273730938).

2069812706 is a wasteful number, since it uses less digits than its factorization.

2069812706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79608196.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2069812706 is about 45495.1943176419. The cubic root of 2069812706 is about 1274.4134594977.

The spelling of 2069812706 in words is "two billion, sixty-nine million, eight hundred twelve thousand, seven hundred six".

Divisors: 1 2 13 26 79608181 159216362 1034906353 2069812706