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1304320101212 = 221779242799721
BaseRepresentation
bin10010111110101111100…
…010010100101101011100
311121200200022101022222202
4102332233202110231130
5132332221421214322
62435110230231032
7163143160634552
oct22765742245534
94550608338882
101304320101212
1146318276a177
121909521b5478
1395cc613414b
14471b5225bd2
1523ddd32a292
hex12faf894b5c

1304320101212 has 24 divisors (see below), whose sum is σ = 2447421197760. Its totient is φ = 606028101120.

The previous prime is 1304320101179. The next prime is 1304320101223. The reversal of 1304320101212 is 2121010234031.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 121394489 + ... + 121405232.

It is an arithmetic number, because the mean of its divisors is an integer number (101975883240).

Almost surely, 21304320101212 is an apocalyptic number.

It is an amenable number.

1304320101212 is a deficient number, since it is larger than the sum of its proper divisors (1143101096548).

1304320101212 is a wasteful number, since it uses less digits than its factorization.

1304320101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242799821 (or 242799819 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1304320101212 its reverse (2121010234031), we get a palindrome (3425330335243).

The spelling of 1304320101212 in words is "one trillion, three hundred four billion, three hundred twenty million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 79 158 316 1343 2686 5372 242799721 485599442 971198884 4127595257 8255190514 16510381028 19181177959 38362355918 76724711836 326080025303 652160050606 1304320101212