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144100323244021 = 1967720551545117
BaseRepresentation
bin100000110000111011111000…
…100101000011011111110101
3200220012212010021211002012211
4200300323320211003133311
5122341414430222302041
61230250435152213421
742231622225560124
oct4060737045033765
9626185107732184
10144100323244021
1141a07670868a31
12141b373683a271
1362537a9c94501
1427826c8591abb
15119d5a7c82481
hex830ef89437f5

144100323244021 has 16 divisors (see below), whose sum is σ = 151916275244160. Its totient is φ = 136307564078400.

The previous prime is 144100323243971. The next prime is 144100323244091. The reversal of 144100323244021 is 120442323001441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144100323244021 - 27 = 144100323243893 is a prime.

It is a super-2 number, since 2×1441003232440212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144100323244091) 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, 264074955 + ... + 264620071.

It is an arithmetic number, because the mean of its divisors is an integer number (9494767202760).

Almost surely, 2144100323244021 is an apocalyptic number.

It is an amenable number.

144100323244021 is a deficient number, since it is larger than the sum of its proper divisors (7815952000139).

144100323244021 is a wasteful number, since it uses less digits than its factorization.

144100323244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566364.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 144100323244021 its reverse (120442323001441), we get a palindrome (264542646245462).

The spelling of 144100323244021 in words is "one hundred forty-four trillion, one hundred billion, three hundred twenty-three million, two hundred forty-four thousand, twenty-one".

Divisors: 1 19 677 12863 20551 390469 545117 10357223 13913027 264347513 369044209 7011839971 11202699467 212851289873 7584227539159 144100323244021