Search a number
-
+
102445140435 = 3511620879639
BaseRepresentation
bin101111101101000110…
…1001100100111010011
3100210102120121100100120
41133122031030213103
53134301423443220
6115021310521323
710254454216551
oct1373215144723
9323376540316
10102445140435
113a4a067a320
1217a30806243
1398782718c1
144d5bab0bd1
1529e8c2aa40
hex17da34c9d3

102445140435 has 16 divisors (see below), whose sum is σ = 178813336320. Its totient is φ = 49670371040.

The previous prime is 102445140389. The next prime is 102445140437. The reversal of 102445140435 is 534041544201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-102445140435 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 102445140396 and 102445140405.

It is not an unprimeable number, because it can be changed into a prime (102445140437) 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, 310439655 + ... + 310439984.

It is an arithmetic number, because the mean of its divisors is an integer number (11175833520).

Almost surely, 2102445140435 is an apocalyptic number.

102445140435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102445140435 is a deficient number, since it is larger than the sum of its proper divisors (76368195885).

102445140435 is a wasteful number, since it uses less digits than its factorization.

102445140435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620879658.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 102445140435 its reverse (534041544201), we get a palindrome (636486684636).

The spelling of 102445140435 in words is "one hundred two billion, four hundred forty-five million, one hundred forty thousand, four hundred thirty-five".

Divisors: 1 3 5 11 15 33 55 165 620879639 1862638917 3104398195 6829676029 9313194585 20489028087 34148380145 102445140435