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105404502052 = 221131487156823
BaseRepresentation
bin110001000101010011…
…0010001000000100100
3101002001211011111022101
41202022212101000210
53211332023031202
6120231104141444
710421010325153
oct1421246210044
9332054144271
10105404502052
114077a103523
1218517907884
139c2a3c7b55
14515cb3959a
152b1d943887
hex188a991024

105404502052 has 24 divisors (see below), whose sum is σ = 186216581376. Its totient is φ = 52200398208.

The previous prime is 105404502001. The next prime is 105404502079. The reversal of 105404502052 is 250205404501.

It is a super-2 number, since 2×1054045020522 (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 105404502052.

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, 593713 + ... + 750535.

It is an arithmetic number, because the mean of its divisors is an integer number (7759024224).

Almost surely, 2105404502052 is an apocalyptic number.

It is an amenable number.

105404502052 is a deficient number, since it is larger than the sum of its proper divisors (80812079324).

105404502052 is a wasteful number, since it uses less digits than its factorization.

105404502052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158427 (or 158425 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 105404502052 its reverse (250205404501), we get a palindrome (355609906553).

The spelling of 105404502052 in words is "one hundred five billion, four hundred four million, five hundred two thousand, fifty-two".

Divisors: 1 2 4 113 226 452 1487 2974 5948 156823 168031 313646 336062 627292 672124 17720999 35441998 70883996 233195801 466391602 932783204 26351125513 52702251026 105404502052