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1305242052330 = 23558061749351
BaseRepresentation
bin10010111111100110011…
…111010010011011101010
311121210001120012022011110
4102333212133102123222
5132341113431133310
62435341523011150
7163205054246646
oct22774637223352
94553046168143
101305242052330
11463606124747
12190b6ab09ab6
1396112145058
1447261857c26
1523e44240d20
hex12fe67d26ea

1305242052330 has 32 divisors (see below), whose sum is σ = 3132639059328. Its totient is φ = 348058088000.

The previous prime is 1305242052259. The next prime is 1305242052349. The reversal of 1305242052330 is 332502425031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1367155 + ... + 2116505.

It is an arithmetic number, because the mean of its divisors is an integer number (97894970604).

Almost surely, 21305242052330 is an apocalyptic number.

1305242052330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305242052330 is an abundant number, since it is smaller than the sum of its proper divisors (1827397006998).

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

1305242052330 is a wasteful number, since it uses less digits than its factorization.

1305242052330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807422.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 1305242052330 its reverse (332502425031), we get a palindrome (1637744477361).

The spelling of 1305242052330 in words is "one trillion, three hundred five billion, two hundred forty-two million, fifty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 58061 116122 174183 290305 348366 580610 749351 870915 1498702 1741830 2248053 3746755 4496106 7493510 11240265 22480530 43508068411 87016136822 130524205233 217540342055 261048410466 435080684110 652621026165 1305242052330