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144044042320020 = 22352400734038667
BaseRepresentation
bin100000110000000111011101…
…111110010111100010010100
3200220000110211222022220122010
4200300013131332113202110
5122340004144313220040
61230204530340504220
742224560435606443
oct4060073576274224
9626013758286563
10144044042320020
114199580a73a7a7
12141a484a3ab070
13624b3aaba990b
14277daa9a06d5a
15119bdb1cb2e80
hex8301ddf97894

144044042320020 has 24 divisors (see below), whose sum is σ = 403323318496224. Its totient is φ = 38411744618656.

The previous prime is 144044042320019. The next prime is 144044042320033. The reversal of 144044042320020 is 20023240440441.

It is a super-2 number, since 2×1440440423200202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 144044042320020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200367019274 + ... + 1200367019393.

It is an arithmetic number, because the mean of its divisors is an integer number (16805138270676).

Almost surely, 2144044042320020 is an apocalyptic number.

144044042320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144044042320020 is an abundant number, since it is smaller than the sum of its proper divisors (259279276176204).

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

144044042320020 is a wasteful number, since it uses less digits than its factorization.

144044042320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400734038679 (or 2400734038677 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 144044042320020 its reverse (20023240440441), we get a palindrome (164067282760461).

The spelling of 144044042320020 in words is "one hundred forty-four trillion, forty-four billion, forty-two million, three hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2400734038667 4801468077334 7202202116001 9602936154668 12003670193335 14404404232002 24007340386670 28808808464004 36011010580005 48014680773340 72022021160010 144044042320020