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15353320040 = 235383833001
BaseRepresentation
bin11100100110010000…
…10001001001101000
31110121222222110122222
432103020101021220
5222420422220130
611015254533212
71052320032002
oct162310211150
943558873588
1015353320040
116569604653
122b85967208
1315a8ac5476
14a59117372
155ecd56ce5
hex393211268

15353320040 has 16 divisors (see below), whose sum is σ = 34544970180. Its totient is φ = 6141328000.

The previous prime is 15353320027. The next prime is 15353320067. The reversal of 15353320040 is 4002335351.

It can be written as a sum of positive squares in 2 ways, for example, as 15347740996 + 5579044 = 123886^2 + 2362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15353319991 and 15353320009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191916461 + ... + 191916540.

Almost surely, 215353320040 is an apocalyptic number.

15353320040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15353320040 is an abundant number, since it is smaller than the sum of its proper divisors (19191650140).

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

15353320040 is a wasteful number, since it uses less digits than its factorization.

15353320040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383833012 (or 383833008 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 15353320040 its reverse (4002335351), we get a palindrome (19355655391).

The spelling of 15353320040 in words is "fifteen billion, three hundred fifty-three million, three hundred twenty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 383833001 767666002 1535332004 1919165005 3070664008 3838330010 7676660020 15353320040