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100012313105 = 51072815091307
BaseRepresentation
bin101110100100100110…
…0101100101000010001
3100120011000210220122122
41131021030230220101
53114311123004410
6113540042544025
710140253430525
oct1351114545021
9316130726578
10100012313105
1139462386121
1217471b08015
13957b2310c3
144baa947d85
15290536ce55
hex174932ca11

100012313105 has 32 divisors (see below), whose sum is σ = 121899530880. Its totient is φ = 78764546560.

The previous prime is 100012313077. The next prime is 100012313123. The reversal of 100012313105 is 501313210001.

It is not a de Polignac number, because 100012313105 - 28 = 100012312849 is a prime.

It is a super-2 number, since 2×1000123131052 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76519862 + ... + 76521168.

It is an arithmetic number, because the mean of its divisors is an integer number (3809360340).

Almost surely, 2100012313105 is an apocalyptic number.

It is an amenable number.

100012313105 is a deficient number, since it is larger than the sum of its proper divisors (21887217775).

100012313105 is a wasteful number, since it uses less digits than its factorization.

100012313105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 100012313105 its reverse (501313210001), we get a palindrome (601325523106).

The spelling of 100012313105 in words is "one hundred billion, twelve million, three hundred thirteen thousand, one hundred five".

Divisors: 1 5 107 281 509 535 1307 1405 2545 6535 30067 54463 139849 143029 150335 272315 367267 665263 699245 715145 1836335 3326315 15304103 39297569 71183141 76520515 186938903 196487845 355915705 934694515 20002462621 100012313105