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105122451040 = 2551283512093
BaseRepresentation
bin110000111100111001…
…0010100111001100000
3101001100011102211001121
41201321302110321200
53210242321413130
6120143110542024
710411014043045
oct1417162247140
9331304384047
10105122451040
1140644979412
1218459367914
139bb3b42a69
1451334b91cc
152b03cccd7a
hex1879c94e60

105122451040 has 48 divisors (see below), whose sum is σ = 248545847088. Its totient is φ = 42016124416.

The previous prime is 105122451037. The next prime is 105122451053. The reversal of 105122451040 is 40154221501.

It is a super-2 number, since 2×1051224510402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105122450996 and 105122451014.

It is a congruent number.

It is an unprimeable number.

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, 50767 + ... + 461326.

It is an arithmetic number, because the mean of its divisors is an integer number (5178038481).

Almost surely, 2105122451040 is an apocalyptic number.

105122451040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105122451040 is an abundant number, since it is smaller than the sum of its proper divisors (143423396048).

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

105122451040 is a wasteful number, since it uses less digits than its factorization.

105122451040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513391 (or 513383 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 105122451040 its reverse (40154221501), we get a palindrome (145276672541).

The spelling of 105122451040 in words is "one hundred five billion, one hundred twenty-two million, four hundred fifty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1283 2566 5132 6415 10264 12830 20528 25660 41056 51320 102640 205280 512093 1024186 2048372 2560465 4096744 5120930 8193488 10241860 16386976 20483720 40967440 81934880 657015319 1314030638 2628061276 3285076595 5256122552 6570153190 10512245104 13140306380 21024490208 26280612760 52561225520 105122451040