Search a number
-
+
102105605570 = 2581112590087
BaseRepresentation
bin101111100010111110…
…1111110010111000010
3100202112220201012002012
41133011331332113002
53133103013334240
6114523501252522
710243162220153
oct1370575762702
9322486635065
10102105605570
113a336a527a1
1217956b64142
139822b10bb7
144d2896992a
1529c900cb65
hex17c5f7e5c2

102105605570 has 16 divisors (see below), whose sum is σ = 184016726208. Its totient is φ = 40791878640.

The previous prime is 102105605551. The next prime is 102105605587. The reversal of 102105605570 is 75506501201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6286934 + ... + 6303153.

It is an arithmetic number, because the mean of its divisors is an integer number (11501045388).

Almost surely, 2102105605570 is an apocalyptic number.

102105605570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102105605570 is a deficient number, since it is larger than the sum of its proper divisors (81911120638).

102105605570 is a wasteful number, since it uses less digits than its factorization.

102105605570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590905.

The product of its (nonzero) digits is 10500, while the sum is 32.

The spelling of 102105605570 in words is "one hundred two billion, one hundred five million, six hundred five thousand, five hundred seventy".

Divisors: 1 2 5 10 811 1622 4055 8110 12590087 25180174 62950435 125900870 10210560557 20421121114 51052802785 102105605570