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13113002212 = 22712634192
BaseRepresentation
bin11000011011001100…
…01000100011100100
31020211212102112100121
430031212020203210
5203323412032322
610005105051324
7642644452102
oct141546104344
936755375317
1013113002212
115619a47712
12265b626b44
13130c91870b
148c5782c72
1551b323ec7
hex30d9888e4

13113002212 has 36 divisors (see below), whose sum is σ = 23415327936. Its totient is φ = 6424208560.

The previous prime is 13113002159. The next prime is 13113002233. The reversal of 13113002212 is 21220031131.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31295739 + ... + 31296157.

It is an arithmetic number, because the mean of its divisors is an integer number (650425776).

Almost surely, 213113002212 is an apocalyptic number.

It is an amenable number.

13113002212 is a deficient number, since it is larger than the sum of its proper divisors (10302325724).

13113002212 is an equidigital number, since it uses as much as digits as its factorization.

13113002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13113002212 its reverse (21220031131), we get a palindrome (34333033343).

The spelling of 13113002212 in words is "thirteen billion, one hundred thirteen million, two thousand, two hundred twelve".

Divisors: 1 2 4 71 142 263 284 419 526 838 1052 1676 18673 29749 37346 59498 74692 110197 118996 175561 220394 351122 440788 702244 7823987 12464831 15647974 24929662 31295948 46172543 49859324 92345086 184690172 3278250553 6556501106 13113002212