Search a number
-
+
211012312310 = 25131172393487
BaseRepresentation
bin1100010010000101010…
…0000101110011110110
3202011122210220010001022
43010201110011303312
511424123122443220
6240534314101142
721150040026542
oct3044124056366
9664583803038
10211012312310
1181542a49458
1234a8b71a7b2
1316b8a9679c7
14a2da878a22
155750146925
hex3121505cf6

211012312310 has 32 divisors (see below), whose sum is σ = 382947789312. Its totient is φ = 83711103840.

The previous prime is 211012312309. The next prime is 211012312361. The reversal of 211012312310 is 13213210112.

It is a super-2 number, since 2×2110123123102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2210387 + ... + 2303873.

It is an arithmetic number, because the mean of its divisors is an integer number (11967118416).

Almost surely, 2211012312310 is an apocalyptic number.

211012312310 is a deficient number, since it is larger than the sum of its proper divisors (171935477002).

211012312310 is a wasteful number, since it uses less digits than its factorization.

211012312310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95348.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211012312310 its reverse (13213210112), we get a palindrome (224225522422).

The spelling of 211012312310 in words is "two hundred eleven billion, twelve million, three hundred twelve thousand, three hundred ten".

Divisors: 1 2 5 10 131 262 655 1310 1723 3446 8615 17230 93487 186974 225713 451426 467435 934870 1128565 2257130 12246797 24493594 61233985 122467970 161078101 322156202 805390505 1610781010 21101231231 42202462462 105506156155 211012312310