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105039180940 = 22517872938981
BaseRepresentation
bin110000111010011010…
…0101011010010001100
3101001010100202020221211
41201310310223102030
53210110012242230
6120130534104204
710405653210061
oct1416464532214
9331110666854
10105039180940
1140601974351
12184354ab064
139b9c809105
145126400c68
152aeb83042a
hex1874d2b48c

105039180940 has 24 divisors (see below), whose sum is σ = 220705792272. Its totient is φ = 41992146240.

The previous prime is 105039180901. The next prime is 105039180941. The reversal of 105039180940 is 49081930501.

It is a super-2 number, since 2×1050391809402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105039180893 and 105039180902.

It is not an unprimeable number, because it can be changed into a prime (105039180941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433751 + ... + 1505230.

It is an arithmetic number, because the mean of its divisors is an integer number (9196074678).

Almost surely, 2105039180940 is an apocalyptic number.

105039180940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105039180940 is an abundant number, since it is smaller than the sum of its proper divisors (115666611332).

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

105039180940 is a wasteful number, since it uses less digits than its factorization.

105039180940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940777 (or 2940775 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 105039180940 in words is "one hundred five billion, thirty-nine million, one hundred eighty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1787 3574 7148 8935 17870 35740 2938981 5877962 11755924 14694905 29389810 58779620 5251959047 10503918094 21007836188 26259795235 52519590470 105039180940