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5313211212 = 22317167263593
BaseRepresentation
bin1001111001011000…
…10010101101001100
3111201021202002120110
410330230102231030
541340140224322
62235120320020
7245444356461
oct47454225514
914637662513
105313211212
112287195251
121043473010
13668a03a7a
14385913668
152116c4c0c
hex13cb12b4c

5313211212 has 96 divisors (see below), whose sum is σ = 13277924352. Its totient is φ = 1647824896.

The previous prime is 5313211177. The next prime is 5313211223. The reversal of 5313211212 is 2121123135.

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, 8959588 + ... + 8960180.

It is an arithmetic number, because the mean of its divisors is an integer number (138311712).

Almost surely, 25313211212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5313211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6638962176).

5313211212 is an abundant number, since it is smaller than the sum of its proper divisors (7964713140).

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

5313211212 is a wasteful number, since it uses less digits than its factorization.

5313211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1045 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 5313211212 is about 72891.7773963566. Note that the first 3 decimals coincide. The cubic root of 5313211212 is about 1744.9608737735.

Adding to 5313211212 its reverse (2121123135), we get a palindrome (7434334347).

The spelling of 5313211212 in words is "five billion, three hundred thirteen million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 167 204 263 334 501 526 593 668 789 1002 1052 1186 1578 1779 2004 2372 2839 3156 3558 4471 5678 7116 8517 8942 10081 11356 13413 17034 17884 20162 26826 30243 34068 40324 43921 53652 60486 87842 99031 120972 131763 155959 175684 198062 263526 297093 311918 396124 467877 527052 594186 623836 746657 935754 1188372 1493314 1683527 1871508 2239971 2651303 2986628 3367054 4479942 5050581 5302606 6734108 7953909 8959884 10101162 10605212 15907818 20202324 26045153 31815636 52090306 78135459 104180612 156270918 312541836 442767601 885535202 1328302803 1771070404 2656605606 5313211212