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1213030011310 = 251373379337261
BaseRepresentation
bin10001101001101110001…
…110010001000110101110
311021222001010222021012221
4101221232032101012232
5124333241140330220
62325131442545554
7153432004654135
oct21515616210656
94258033867187
101213030011310
114284968aa487
121771153682ba
138a507c66880
14429d4c6691c
1521848ab99aa
hex11a6e3911ae

1213030011310 has 64 divisors (see below), whose sum is σ = 2389919474880. Its totient is φ = 440585671680.

The previous prime is 1213030011307. The next prime is 1213030011329. The reversal of 1213030011310 is 131100303121.

It is a super-2 number, since 2×12130300113102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3428080 + ... + 3765340.

It is an arithmetic number, because the mean of its divisors is an integer number (37342491795).

Almost surely, 21213030011310 is an apocalyptic number.

1213030011310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213030011310 is a deficient number, since it is larger than the sum of its proper divisors (1176889463570).

1213030011310 is a wasteful number, since it uses less digits than its factorization.

1213030011310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337733.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1213030011310 its reverse (131100303121), we get a palindrome (1344130314431).

The spelling of 1213030011310 in words is "one trillion, two hundred thirteen billion, thirty million, eleven thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 73 130 146 365 379 730 758 949 1895 1898 3790 4745 4927 9490 9854 24635 27667 49270 55334 138335 276670 337261 359671 674522 719342 1686305 1798355 3372610 3596710 4384393 8768786 21921965 24620053 43843930 49240106 123100265 127821919 246200530 255643838 320060689 639109595 640121378 1278219190 1600303445 1661684947 3200606890 3323369894 8308424735 9331000087 16616849470 18662000174 46655000435 93310000870 121303001131 242606002262 606515005655 1213030011310