Search a number
-
+
102121023310 = 25471131922821
BaseRepresentation
bin101111100011011100…
…0110010011101001110
3100202120222201111020121
41133012320302131032
53133120440221220
6114525211535154
710243440242635
oct1370670623516
9322528644217
10102121023310
113a344723329
121796015a4ba
13982607b717
144d2aa2051c
1529ca555eaa
hex17c6e3274e

102121023310 has 32 divisors (see below), whose sum is σ = 189390275712. Its totient is φ = 39625474560.

The previous prime is 102121023307. The next prime is 102121023311. The reversal of 102121023310 is 13320121201.

It is a super-2 number, since 2×1021210233102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121023311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908301 + ... + 1014520.

It is an arithmetic number, because the mean of its divisors is an integer number (5918446116).

Almost surely, 2102121023310 is an apocalyptic number.

102121023310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121023310 is a deficient number, since it is larger than the sum of its proper divisors (87269252402).

102121023310 is a wasteful number, since it uses less digits than its factorization.

102121023310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922988.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102121023310 its reverse (13320121201), we get a palindrome (115441144511).

The spelling of 102121023310 in words is "one hundred two billion, one hundred twenty-one million, twenty-three thousand, three hundred ten".

Divisors: 1 2 5 10 47 94 113 226 235 470 565 1130 5311 10622 26555 53110 1922821 3845642 9614105 19228210 90372587 180745174 217278773 434557546 451862935 903725870 1086393865 2172787730 10212102331 20424204662 51060511655 102121023310