Search a number
-
+
102443211402 = 2374931494651
BaseRepresentation
bin101111101101000010…
…1110101101010001010
3100210102102222100012220
41133122011311222022
53134300430231102
6115021201314510
710254431633550
oct1373205655212
9323372870186
10102443211402
113a49a581a84
1217a30035a36
139877a4786c
144d5b72bbd0
1529e89991bc
hex17da175a8a

102443211402 has 32 divisors (see below), whose sum is σ = 234203871744. Its totient is φ = 29263494000.

The previous prime is 102443211359. The next prime is 102443211421. The reversal of 102443211402 is 204112344201.

It is a super-2 number, since 2×1024432114022 (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, 40224 + ... + 454427.

It is an arithmetic number, because the mean of its divisors is an integer number (7318870992).

Almost surely, 2102443211402 is an apocalyptic number.

102443211402 is an abundant number, since it is smaller than the sum of its proper divisors (131760660342).

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

102443211402 is a wasteful number, since it uses less digits than its factorization.

102443211402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499594.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102443211402 its reverse (204112344201), we get a palindrome (306555555603).

The spelling of 102443211402 in words is "one hundred two billion, four hundred forty-three million, two hundred eleven thousand, four hundred two".

Divisors: 1 2 3 6 7 14 21 42 4931 9862 14793 29586 34517 69034 103551 207102 494651 989302 1483953 2967906 3462557 6925114 10387671 20775342 2439124081 4878248162 7317372243 14634744486 17073868567 34147737134 51221605701 102443211402