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33244311340 = 22531102152517
BaseRepresentation
bin11110111101100000…
…111110111100101100
310011210212000222212101
4132331200332330230
51021041020430330
623134444544444
72254552661332
oct367540767454
9104725028771
1033244311340
111310a602179
126539552124
13319a579956
141875289b52
15ce887b4ca
hex7bd83ef2c

33244311340 has 48 divisors (see below), whose sum is σ = 72137044224. Its totient is φ = 12855916800.

The previous prime is 33244311311. The next prime is 33244311341. The reversal of 33244311340 is 4311344233.

It is a super-2 number, since 2×332443113402 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33244311299 and 33244311308.

It is not an unprimeable number, because it can be changed into a prime (33244311341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606762 + ... + 659278.

It is an arithmetic number, because the mean of its divisors is an integer number (1502855088).

Almost surely, 233244311340 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 33244311340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36068522112).

33244311340 is an abundant number, since it is smaller than the sum of its proper divisors (38892732884).

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

33244311340 is a wasteful number, since it uses less digits than its factorization.

33244311340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53578 (or 53576 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 33244311340 its reverse (4311344233), we get a palindrome (37555655573).

The spelling of 33244311340 in words is "thirty-three billion, two hundred forty-four million, three hundred eleven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1021 2042 4084 5105 10210 20420 31651 52517 63302 105034 126604 158255 210068 262585 316510 525170 633020 1050340 1628027 3256054 6512108 8140135 16280270 32560540 53619857 107239714 214479428 268099285 536198570 1072397140 1662215567 3324431134 6648862268 8311077835 16622155670 33244311340