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54312334120 = 23511661186743
BaseRepresentation
bin110010100101010001…
…000111001100101000
312012012010020102221101
4302211101013030220
51342212424142440
640541205451144
73631624136302
oct624521071450
9165163212841
1054312334120
1121040995550
12a639110ab4
1351772ba315
1428b3348972
15162d26369a
hexca5447328

54312334120 has 64 divisors (see below), whose sum is σ = 133514490240. Its totient is φ = 19719955200.

The previous prime is 54312334039. The next prime is 54312334127. The reversal of 54312334120 is 2143321345.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54312334127) 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, 197469 + ... + 384211.

It is an arithmetic number, because the mean of its divisors is an integer number (2086163910).

Almost surely, 254312334120 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 54312334120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66757245120).

54312334120 is an abundant number, since it is smaller than the sum of its proper divisors (79202156120).

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

54312334120 is a wasteful number, since it uses less digits than its factorization.

54312334120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187426 (or 187422 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 54312334120 its reverse (2143321345), we get a palindrome (56455655465).

The spelling of 54312334120 in words is "fifty-four billion, three hundred twelve million, three hundred thirty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 661 1322 2644 3305 5288 6610 7271 13220 14542 26440 29084 36355 58168 72710 145420 186743 290840 373486 746972 933715 1493944 1867430 2054173 3734860 4108346 7469720 8216692 10270865 16433384 20541730 41083460 82166920 123437123 246874246 493748492 617185615 987496984 1234371230 1357808353 2468742460 2715616706 4937484920 5431233412 6789041765 10862466824 13578083530 27156167060 54312334120