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13450420032 = 263726912069
BaseRepresentation
bin11001000011011010…
…10001111101000000
31021201101100010120220
430201231101331000
5210021301420112
610102401103040
7654212453400
oct144155217500
937641303526
1013450420032
115782458715
122734627a80
1313647b792a
149184d6800
1553ac7498c
hex321b51f40

13450420032 has 168 divisors, whose sum is σ = 41477732640. Its totient is φ = 3835560960.

The previous prime is 13450420019. The next prime is 13450420063. The reversal of 13450420032 is 23002405431.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 13450419984 and 13450420011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6499894 + ... + 6501962.

Almost surely, 213450420032 is an apocalyptic number.

13450420032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13450420032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20738866320).

13450420032 is an abundant number, since it is smaller than the sum of its proper divisors (28027312608).

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

13450420032 is a wasteful number, since it uses less digits than its factorization.

13450420032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789 (or 2772 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 13450420032 its reverse (23002405431), we get a palindrome (36452825463).

The spelling of 13450420032 in words is "thirteen billion, four hundred fifty million, four hundred twenty thousand, thirty-two".