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671103242143488 = 283871131732293
BaseRepresentation
bin1001100010010111010110011…
…0010110110000011100000000
310021000011211202211020200000000
42120211311212112300130000
51200430323414442042423
610335152323500000000
7261233415646354140
oct23045654626603400
93230154684220000
10671103242143488
1118491a317623490
1263328379b30000
1322a609c1bc479b
14bba17da9d6920
15528be070d9843
hex2625d665b0700

671103242143488 has 2592 divisors, whose sum is σ = 2622445531410432. Its totient is φ = 166306170470400.

The previous prime is 671103242143423. The next prime is 671103242143517. The reversal of 671103242143488 is 884341242301176.

671103242143488 is a `hidden beast` number, since 6 + 7 + 1 + 10 + 3 + 2 + 4 + 2 + 143 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (2592).

It is a super-2 number, since 2×6711032421434882 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 292674766470 + ... + 292674768762.

Almost surely, 2671103242143488 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 671103242143488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311222765705216).

671103242143488 is an abundant number, since it is smaller than the sum of its proper divisors (1951342289266944).

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

671103242143488 is an equidigital number, since it uses as much as digits as its factorization.

671103242143488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455 (or 2420 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 671103242143488 in words is "six hundred seventy-one trillion, one hundred three billion, two hundred forty-two million, one hundred forty-three thousand, four hundred eighty-eight".