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1131812706 = 231729337871
BaseRepresentation
bin100001101110110…
…0001011101100010
32220212201001011010
41003131201131202
54304221001311
6304150401350
740022151333
oct10335413542
92825631133
101131812706
11530973702
12277060256
1315063ba7b
14aa46028a
156956bda6
hex43761762

1131812706 has 32 divisors (see below), whose sum is σ = 2405023488. Its totient is φ = 353857280.

The previous prime is 1131812683. The next prime is 1131812707. The reversal of 1131812706 is 6072181311.

It is not an unprimeable number, because it can be changed into a prime (1131812707) 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, 10951 + ... + 48821.

It is an arithmetic number, because the mean of its divisors is an integer number (75156984).

Almost surely, 21131812706 is an apocalyptic number.

1131812706 is an abundant number, since it is smaller than the sum of its proper divisors (1273210782).

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

1131812706 is a wasteful number, since it uses less digits than its factorization.

1131812706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38186.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1131812706 is about 33642.4241992161. The cubic root of 1131812706 is about 1042.1370952447.

The spelling of 1131812706 in words is "one billion, one hundred thirty-one million, eight hundred twelve thousand, seven hundred six".

Divisors: 1 2 3 6 17 34 51 102 293 586 879 1758 4981 9962 14943 29886 37871 75742 113613 227226 643807 1287614 1931421 3862842 11096203 22192406 33288609 66577218 188635451 377270902 565906353 1131812706