Search a number
-
+
105500000001 = 311171912238093
BaseRepresentation
bin110001001000001001…
…0100011111100000001
3101002022110212021212110
41202100102203330001
53212031000000001
6120244355045533
710423250126634
oct1422022437401
9332273767773
10105500000001
1140818aaa550
12185438a08a9
139c44123406
14516b6b7c1b
152b270093d6
hex18904a3f01

105500000001 has 64 divisors (see below), whose sum is σ = 171193927680. Its totient is φ = 56957322240.

The previous prime is 105499999949. The next prime is 105500000027. The reversal of 105500000001 is 100000005501.

It is not a de Polignac number, because 105500000001 - 213 = 105499991809 is a prime.

It is a super-2 number, since 2×1055000000012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105500000101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13031911 + ... + 13040003.

It is an arithmetic number, because the mean of its divisors is an integer number (2674905120).

Almost surely, 2105500000001 is an apocalyptic number.

105500000001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105500000001 is a deficient number, since it is larger than the sum of its proper divisors (65693927679).

105500000001 is a wasteful number, since it uses less digits than its factorization.

105500000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366.

The product of its (nonzero) digits is 25, while the sum is 12.

Adding to 105500000001 its reverse (100000005501), we get a palindrome (205500005502).

The spelling of 105500000001 in words is "one hundred five billion, five hundred million, one", and thus it is an aban number.

Divisors: 1 3 11 17 19 33 51 57 187 209 323 561 627 969 1223 3553 3669 8093 10659 13453 20791 23237 24279 40359 62373 69711 89023 137581 153767 228701 255607 267069 395029 412743 461301 686103 766821 1185087 1513391 1691437 2614039 4345319 4540173 5074311 7842117 9897739 13035957 28754429 29693217 86263287 108875129 168261563 188057041 326625387 504784689 564171123 1850877193 2068627451 3196969697 5552631579 6205882353 9590909091 35166666667 105500000001