Search a number
-
+
12100111010 = 251328386263
BaseRepresentation
bin10110100010011100…
…10000101010100010
31011020021111022211122
423101032100222202
5144240112023020
65320403212242
7605565150401
oct132116205242
934207438748
1012100111010
11514a219549
122418377082
1311aab16a00
1482b03b638
154ac448125
hex2d1390aa2

12100111010 has 48 divisors (see below), whose sum is σ = 23868903744. Its totient is φ = 4413854016.

The previous prime is 12100110989. The next prime is 12100111027. The reversal of 12100111010 is 1011100121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97139 + ... + 183401.

It is an arithmetic number, because the mean of its divisors is an integer number (497268828).

Almost surely, 212100111010 is an apocalyptic number.

12100111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100111010 is a deficient number, since it is larger than the sum of its proper divisors (11768792734).

12100111010 is a wasteful number, since it uses less digits than its factorization.

12100111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86379 (or 86366 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 12100111010 its reverse (1011100121), we get a palindrome (13111211131).

The spelling of 12100111010 in words is "twelve billion, one hundred million, one hundred eleven thousand, ten".

Divisors: 1 2 5 10 13 26 65 83 130 166 169 338 415 830 845 1079 1690 2158 5395 10790 14027 28054 70135 86263 140270 172526 431315 862630 1121419 2242838 5607095 7159829 11214190 14319658 14578447 29156894 35799145 71598290 72892235 93077777 145784470 186155554 465388885 930777770 1210011101 2420022202 6050055505 12100111010