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105450021002430 = 23251390128223079
BaseRepresentation
bin10111111110011111111111…
…000010110001110010111110
3111211100220221021100020020100
4113332133333002301302332
5102310143120334034210
61012135023151101530
731132340552253636
oct2776377702616276
9454326837306210
10105450021002430
1130666114863565
12b9b0b068118a6
1346abb81a5ca20
141c07b45b976c6
15c2cee502c5c0
hex5fe7ff0b1cbe

105450021002430 has 48 divisors (see below), whose sum is σ = 295260058810080. Its totient is φ = 25956928246464.

The previous prime is 105450021002423. The next prime is 105450021002461. The reversal of 105450021002430 is 34200120054501.

105450021002430 is a `hidden beast` number, since 1 + 0 + 5 + 4 + 500 + 2 + 100 + 24 + 30 = 666.

It is a super-2 number, since 2×1054500210024302 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105450021002394 and 105450021002403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45064110370 + ... + 45064112709.

It is an arithmetic number, because the mean of its divisors is an integer number (6151251225210).

Almost surely, 2105450021002430 is an apocalyptic number.

105450021002430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105450021002430 is an abundant number, since it is smaller than the sum of its proper divisors (189810037807650).

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

105450021002430 is a wasteful number, since it uses less digits than its factorization.

105450021002430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90128223105 (or 90128223102 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 105450021002430 its reverse (34200120054501), we get a palindrome (139650141056931).

The spelling of 105450021002430 in words is "one hundred five trillion, four hundred fifty billion, twenty-one million, two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 90128223079 180256446158 270384669237 450641115395 540769338474 811154007711 901282230790 1171666900027 1351923346185 1622308015422 2343333800054 2703846692370 3515000700081 4055770038555 5858334500135 7030001400162 8111540077110 10545002100243 11716669000270 17575003500405 21090004200486 35150007000810 52725010501215 105450021002430