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55943915412 = 22371179977901
BaseRepresentation
bin110100000110100001…
…000110011110010100
312100101211100100201010
4310012201012132110
51404033120243122
641411132132220
74020225302130
oct640641063624
9170354310633
1055943915412
11217a8977740
12aa13607070
13537732ca38
1429c9d003c0
1516c65eee0c
hexd06846794

55943915412 has 192 divisors, whose sum is σ = 166526115840. Its totient is φ = 14197248000.

The previous prime is 55943915383. The next prime is 55943915413. The reversal of 55943915412 is 21451934955.

It is a super-2 number, since 2×559439154122 (a number of 22 digits) contains 22 as substring.

Its product of digits (972000) is a multiple of the sum of its prime divisors (8100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55943915413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7076662 + ... + 7084562.

It is an arithmetic number, because the mean of its divisors is an integer number (867323520).

Almost surely, 255943915412 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 55943915412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83263057920).

55943915412 is an abundant number, since it is smaller than the sum of its proper divisors (110582200428).

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

55943915412 is a wasteful number, since it uses less digits than its factorization.

55943915412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102 (or 8100 counting only the distinct ones).

The product of its digits is 972000, while the sum is 48.

The spelling of 55943915412 in words is "fifty-five billion, nine hundred forty-three million, nine hundred fifteen thousand, four hundred twelve".