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105444546340 = 22572275416133
BaseRepresentation
bin110001000110011111…
…1000001011100100100
3101002011121111221202011
41202030333001130210
53211422300440330
6120235054324004
710422004566310
oct1421477013444
9332147457664
10105444546340
114079a774381
12185291b9604
139c357a88b3
1451641a0b40
152b2220382a
hex188cfc1724

105444546340 has 96 divisors (see below), whose sum is σ = 254693101824. Its totient is φ = 35920765440.

The previous prime is 105444546329. The next prime is 105444546353. The reversal of 105444546340 is 43645444501.

It is a happy number.

It is a super-2 number, since 2×1054445463402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105444546293 and 105444546302.

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 31 ways as a sum of consecutive naturals, for example, 17189914 + ... + 17196046.

It is an arithmetic number, because the mean of its divisors is an integer number (2653053144).

Almost surely, 2105444546340 is an apocalyptic number.

105444546340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105444546340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127346550912).

105444546340 is an abundant number, since it is smaller than the sum of its proper divisors (149248555484).

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

105444546340 is a wasteful number, since it uses less digits than its factorization.

105444546340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917 (or 6915 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 105444546340 in words is "one hundred five billion, four hundred forty-four million, five hundred forty-six thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 227 454 541 908 1082 1135 1589 2164 2270 2705 3178 3787 4540 5410 6133 6356 7574 7945 10820 12266 15148 15890 18935 24532 30665 31780 37870 42931 61330 75740 85862 122660 122807 171724 214655 245614 429310 491228 614035 858620 859649 1228070 1392191 1719298 2456140 2784382 3317953 3438596 4298245 5568764 6635906 6960955 8596490 9745337 13271812 13921910 16589765 17192980 19490674 23225671 27843820 33179530 38981348 46451342 48726685 66359060 92902684 97453370 116128355 194906740 232256710 464513420 753175331 1506350662 3012701324 3765876655 5272227317 7531753310 10544454634 15063506620 21088909268 26361136585 52722273170 105444546340