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109783939690 = 2512786444047
BaseRepresentation
bin110011000111110100…
…0011111101001101010
3101111101000211222100101
41212033220133221222
53244314142032230
6122233430500014
710634356043005
oct1461750375152
9344330758311
10109783939690
1142617198877
121933a50460a
13a47780b779
14545662053c
152cc8169aca
hex198fa1fa6a

109783939690 has 16 divisors (see below), whose sum is σ = 199167086592. Its totient is φ = 43567799184.

The previous prime is 109783939669. The next prime is 109783939693. The reversal of 109783939690 is 96939387901.

It is a super-2 number, since 2×1097839396902 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109783939693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43220754 + ... + 43223293.

It is an arithmetic number, because the mean of its divisors is an integer number (12447942912).

Almost surely, 2109783939690 is an apocalyptic number.

109783939690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109783939690 is a deficient number, since it is larger than the sum of its proper divisors (89383146902).

109783939690 is a wasteful number, since it uses less digits than its factorization.

109783939690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86444181.

The product of its (nonzero) digits is 19840464, while the sum is 64.

The spelling of 109783939690 in words is "one hundred nine billion, seven hundred eighty-three million, nine hundred thirty-nine thousand, six hundred ninety".

Divisors: 1 2 5 10 127 254 635 1270 86444047 172888094 432220235 864440470 10978393969 21956787938 54891969845 109783939690