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213103012 = 221943611069
BaseRepresentation
bin11001011001110…
…11000110100100
3112211222202101011
430230323012210
5414023244022
633051312004
75165226403
oct1454730644
9484882334
10213103012
11aa3224a1
125b44b604
13351c4375
142043363a
1513a96977
hexcb3b1a4

213103012 has 48 divisors (see below), whose sum is σ = 408654400. Its totient is φ = 96888960.

The previous prime is 213103003. The next prime is 213103039. The reversal of 213103012 is 210301312.

213103012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213102983 and 213103001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198814 + ... + 199882.

Almost surely, 2213103012 is an apocalyptic number.

It is an amenable number.

213103012 is a deficient number, since it is larger than the sum of its proper divisors (195551388).

213103012 is a wasteful number, since it uses less digits than its factorization.

213103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 213103012 is about 14598.0482257047. The cubic root of 213103012 is about 597.3055214594.

Adding to 213103012 its reverse (210301312), we get a palindrome (423404324).

The spelling of 213103012 in words is "two hundred thirteen million, one hundred three thousand, twelve".

Divisors: 1 2 4 19 38 43 61 76 86 122 172 244 817 1069 1159 1634 2138 2318 2623 3268 4276 4636 5246 10492 20311 40622 45967 49837 65209 81244 91934 99674 130418 183868 199348 260836 873373 1238971 1746746 2477942 2803987 3493492 4955884 5607974 11215948 53275753 106551506 213103012