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103005131236 = 22710933750043
BaseRepresentation
bin101111111101110010…
…1011001000111100100
3100211212121022211022121
41133323211121013210
53141423303144421
6115153033235324
710304364112030
oct1377345310744
9324777284277
10103005131236
113a758790737
1217b68262b44
13993729c6c7
144db22011c0
152a2ce93d41
hex17fb9591e4

103005131236 has 24 divisors (see below), whose sum is σ = 207900271040. Its totient is φ = 43740054432.

The previous prime is 103005131161. The next prime is 103005131261. The reversal of 103005131236 is 632131500301.

It is a super-2 number, since 2×1030051312362 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103005131236.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16871970 + ... + 16878073.

Almost surely, 2103005131236 is an apocalyptic number.

It is an amenable number.

103005131236 is an abundant number, since it is smaller than the sum of its proper divisors (104895139804).

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

103005131236 is a wasteful number, since it uses less digits than its factorization.

103005131236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33750163 (or 33750161 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 103005131236 its reverse (632131500301), we get a palindrome (735136631537).

The spelling of 103005131236 in words is "one hundred three billion, five million, one hundred thirty-one thousand, two hundred thirty-six".

Divisors: 1 2 4 7 14 28 109 218 436 763 1526 3052 33750043 67500086 135000172 236250301 472500602 945001204 3678754687 7357509374 14715018748 25751282809 51502565618 103005131236