Search a number
-
+
102121101302 = 21117273051073
BaseRepresentation
bin101111100011011100…
…1000101011111110110
3100202120222212110020012
41133012321011133312
53133121000220202
6114525213340222
710243441016213
oct1370671053766
9322528773205
10102121101302
113a344776990
1217960197672
1398260a807c
144d2aa40b0a
1529ca56e152
hex17c6e457f6

102121101302 has 16 divisors (see below), whose sum is σ = 176937095952. Its totient is φ = 43688171520.

The previous prime is 102121101289. The next prime is 102121101307. The reversal of 102121101302 is 203101121201.

It is a super-2 number, since 2×1021211013022 (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 (102121101307) by changing a digit.

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, 136525163 + ... + 136525910.

It is an arithmetic number, because the mean of its divisors is an integer number (11058568497).

Almost surely, 2102121101302 is an apocalyptic number.

102121101302 is a deficient number, since it is larger than the sum of its proper divisors (74815994650).

102121101302 is a wasteful number, since it uses less digits than its factorization.

102121101302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273051103.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102121101302 its reverse (203101121201), we get a palindrome (305222222503).

The spelling of 102121101302 in words is "one hundred two billion, one hundred twenty-one million, one hundred one thousand, three hundred two".

Divisors: 1 2 11 17 22 34 187 374 273051073 546102146 3003561803 4641868241 6007123606 9283736482 51060550651 102121101302