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331300144020 = 223531178118357
BaseRepresentation
bin1001101001000110000…
…01110000001110010100
31011200010212200002102110
410310203001300032110
520412000314102040
6412110331511020
732635632521466
oct4644301601624
91150125602373
10331300144020
1111855a32681a
125425b8b8470
132531a67c3a1
141206c108136
158940505980
hex4d23070394

331300144020 has 48 divisors (see below), whose sum is σ = 957564292608. Its totient is φ = 85496810880.

The previous prime is 331300143991. The next prime is 331300144027. The reversal of 331300144020 is 20441003133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331300144027) 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, 89057319 + ... + 89061038.

It is an arithmetic number, because the mean of its divisors is an integer number (19949256096).

Almost surely, 2331300144020 is an apocalyptic number.

331300144020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331300144020 is an abundant number, since it is smaller than the sum of its proper divisors (626264148588).

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

331300144020 is a wasteful number, since it uses less digits than its factorization.

331300144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178118400 (or 178118398 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 331300144020 its reverse (20441003133), we get a palindrome (351741147153).

The spelling of 331300144020 in words is "three hundred thirty-one billion, three hundred million, one hundred forty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 178118357 356236714 534355071 712473428 890591785 1068710142 1781183570 2137420284 2671775355 3562367140 5343550710 5521669067 10687101420 11043338134 16565007201 22086676268 27608345335 33130014402 55216690670 66260028804 82825036005 110433381340 165650072010 331300144020