Search a number
-
+
102101112210 = 2354379148149
BaseRepresentation
bin101111100010110110…
…0110101010110010010
3100202112121020220100110
41133011230311112102
53133100341042320
6114523221102150
710243106064036
oct1370554652622
9322477226313
10102101112210
113a334463879
1217955557956
139821bc98c6
144d2811a1c6
1529c89215e0
hex17c5b35592

102101112210 has 32 divisors (see below), whose sum is σ = 250741339200. Its totient is φ = 26593777728.

The previous prime is 102101112181. The next prime is 102101112257. The reversal of 102101112210 is 12211101201.

It is a super-2 number, since 2×1021011122102 (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 15 ways as a sum of consecutive naturals, for example, 39572785 + ... + 39575364.

It is an arithmetic number, because the mean of its divisors is an integer number (7835666850).

Almost surely, 2102101112210 is an apocalyptic number.

102101112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101112210 is an abundant number, since it is smaller than the sum of its proper divisors (148640226990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102101112210 is a wasteful number, since it uses less digits than its factorization.

102101112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79148202.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102101112210 its reverse (12211101201), we get a palindrome (114312213411).

The spelling of 102101112210 in words is "one hundred two billion, one hundred one million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 79148149 158296298 237444447 395740745 474888894 791481490 1187222235 2374444470 3403370407 6806740814 10210111221 17016852035 20420222442 34033704070 51050556105 102101112210