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115806761420 = 22571867443059
BaseRepresentation
bin110101111011010011…
…1101111000111001100
3102001220202212000112212
41223312213233013030
53344133012331140
6125111220445552
711236541142020
oct1536647570714
9361822760485
10115806761420
1145127996999
121a53b5498b8
13abc75380cc
145868490380
15302bcae765
hex1af69ef1cc

115806761420 has 48 divisors (see below), whose sum is σ = 278085722880. Its totient is φ = 39683818944.

The previous prime is 115806761417. The next prime is 115806761423. The reversal of 115806761420 is 24167608511.

It is an interprime number because it is at equal distance from previous prime (115806761417) and next prime (115806761423).

It is a super-2 number, since 2×1158067614202 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115806761423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39851 + ... + 482909.

It is an arithmetic number, because the mean of its divisors is an integer number (5793452560).

Almost surely, 2115806761420 is an apocalyptic number.

115806761420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115806761420 is an abundant number, since it is smaller than the sum of its proper divisors (162278961460).

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

115806761420 is a wasteful number, since it uses less digits than its factorization.

115806761420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444942 (or 444940 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 115806761420 in words is "one hundred fifteen billion, eight hundred six million, seven hundred sixty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1867 3734 7468 9335 13069 18670 26138 37340 52276 65345 130690 261380 443059 886118 1772236 2215295 3101413 4430590 6202826 8861180 12405652 15507065 31014130 62028260 827191153 1654382306 3308764612 4135955765 5790338071 8271911530 11580676142 16543823060 23161352284 28951690355 57903380710 115806761420