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133936137984 = 28311174671997
BaseRepresentation
bin111110010111100110…
…1110100011100000000
3110210201020110202212010
41330233031310130000
54143300122403414
6141310204132520
712451030250205
oct1745715643400
9423636422763
10133936137984
1151890504930
1221b5ab37140
13c8264c646c
1466a8157cac
15373d6c1959
hex1f2f374700

133936137984 has 288 divisors, whose sum is σ = 412834496256. Its totient is φ = 38098370560.

The previous prime is 133936137931. The next prime is 133936137991. The reversal of 133936137984 is 489731639331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67067674 + ... + 67069670.

It is an arithmetic number, because the mean of its divisors is an integer number (1433453112).

Almost surely, 2133936137984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133936137984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206417248128).

133936137984 is an abundant number, since it is smaller than the sum of its proper divisors (278898358272).

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

133936137984 is a wasteful number, since it uses less digits than its factorization.

133936137984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511 (or 2497 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 57.

The spelling of 133936137984 in words is "one hundred thirty-three billion, nine hundred thirty-six million, one hundred thirty-seven thousand, nine hundred eighty-four".