Search a number
-
+
20133012000 = 253533154121
BaseRepresentation
bin10010110000000001…
…010110001000100000
31220222002210222102010
4102300001112020200
5312213022341000
613125440152520
71311625530663
oct226001261040
956862728363
1020133012000
1185a16189a2
123a9a608740
131b8b10936a
14d8dc2b6da
157cc791d50
hex4b0056220

20133012000 has 192 divisors, whose sum is σ = 68084610048. Its totient is φ = 5195520000.

The previous prime is 20133011999. The next prime is 20133012019. The reversal of 20133012000 is 21033102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344940 + ... + 399060.

It is an arithmetic number, because the mean of its divisors is an integer number (354607344).

Almost surely, 220133012000 is an apocalyptic number.

20133012000 is a gapful number since it is divisible by the number (20) 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 20133012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34042305024).

20133012000 is an abundant number, since it is smaller than the sum of its proper divisors (47951598048).

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

20133012000 is a wasteful number, since it uses less digits than its factorization.

20133012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54180 (or 54162 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20133012000 its reverse (21033102), we get a palindrome (20154045102).

The spelling of 20133012000 in words is "twenty billion, one hundred thirty-three million, twelve thousand".