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12013353215 = 5234125110151
BaseRepresentation
bin10110011000000110…
…10011100011111111
31011000020020120111222
423030003103203333
5144100404300330
65304023503555
7603462550253
oct131403234377
934006216458
1012013353215
115105252096
1223b32b7bbb
131195b5b736
1481d6d6263
154a4a0c0e5
hex2cc0d38ff

12013353215 has 32 divisors (see below), whose sum is σ = 15472622592. Its totient is φ = 8932000000.

The previous prime is 12013353199. The next prime is 12013353217. The reversal of 12013353215 is 51235331021.

It is not a de Polignac number, because 12013353215 - 24 = 12013353199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013353217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1178390 + ... + 1188540.

It is an arithmetic number, because the mean of its divisors is an integer number (483519456).

Almost surely, 212013353215 is an apocalyptic number.

12013353215 is a deficient number, since it is larger than the sum of its proper divisors (3459269377).

12013353215 is a wasteful number, since it uses less digits than its factorization.

12013353215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10471.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 12013353215 its reverse (51235331021), we get a palindrome (63248684236).

The spelling of 12013353215 in words is "twelve billion, thirteen million, three hundred fifty-three thousand, two hundred fifteen".

Divisors: 1 5 23 41 115 205 251 943 1255 4715 5773 10151 10291 28865 50755 51455 233473 236693 416191 1167365 1183465 2080955 2547901 9572393 12739505 47861965 58601723 104463941 293008615 522319705 2402670643 12013353215