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331024312021242 = 237611109116506249
BaseRepresentation
bin100101101000100001001101…
…0100001111011000011111010
31121102001121121110102102012110
41023101002122201323003322
5321342000242334134432
63132010245232553150
7126503501016533610
oct11321023241730372
91542047543372173
10331024312021242
1196524693393904
12311628903b27b6
13112925c6955588
145ba593b0876b0
152840a7e475dcc
hex12d109a87b0fa

331024312021242 has 64 divisors (see below), whose sum is σ = 769724172000000. Its totient is φ = 92944024404480.

The previous prime is 331024312021231. The next prime is 331024312021301. The reversal of 331024312021242 is 242120213420133.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55411867 + ... + 61094382.

It is an arithmetic number, because the mean of its divisors is an integer number (12026940187500).

Almost surely, 2331024312021242 is an apocalyptic number.

331024312021242 is an abundant number, since it is smaller than the sum of its proper divisors (438699859978758).

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

331024312021242 is a wasteful number, since it uses less digits than its factorization.

331024312021242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116507431.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 331024312021242 its reverse (242120213420133), we get a palindrome (573144525441375).

The spelling of 331024312021242 in words is "three hundred thirty-one trillion, twenty-four billion, three hundred twelve million, twenty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 61 122 183 366 427 854 1109 1281 2218 2562 3327 6654 7763 15526 23289 46578 67649 135298 202947 405894 473543 947086 1420629 2841258 116506249 233012498 349518747 699037494 815543743 1631087486 2446631229 4893262458 7106881189 14213762378 21320643567 42641287134 49748168323 99496336646 129205430141 149244504969 258410860282 298489009938 387616290423 775232580846 904438010987 1808876021974 2713314032961 5426628065922 7881531238601 15763062477202 23644593715803 47289187431606 55170718670207 110341437340414 165512156010621 331024312021242