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144044331431442 = 23131846722197839
BaseRepresentation
bin100000110000000111101111…
…001101001111011000010010
3200220000111121010100021221120
4200300013233031033120102
5122340010242321301232
61230205015145303110
742224600546166051
oct4060075715173022
9626014533307846
10144044331431442
1141995948957462
12141a490b194a96
13624b425a64570
14277dad6184398
15119bdcc37092c
hex8301ef34f612

144044331431442 has 16 divisors (see below), whose sum is σ = 310249329237120. Its totient is φ = 44321332748112.

The previous prime is 144044331431347. The next prime is 144044331431443. The reversal of 144044331431442 is 244134133440441.

It is a super-2 number, since 2×1440443314314422 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144044331431394 and 144044331431403.

It is not an unprimeable number, because it can be changed into a prime (144044331431443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923361098842 + ... + 923361098997.

It is an arithmetic number, because the mean of its divisors is an integer number (19390583077320).

Almost surely, 2144044331431442 is an apocalyptic number.

144044331431442 is an abundant number, since it is smaller than the sum of its proper divisors (166204997805678).

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

144044331431442 is a wasteful number, since it uses less digits than its factorization.

144044331431442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846722197857.

The product of its (nonzero) digits is 884736, while the sum is 42.

Adding to 144044331431442 its reverse (244134133440441), we get a palindrome (388178464871883).

The spelling of 144044331431442 in words is "one hundred forty-four trillion, forty-four billion, three hundred thirty-one million, four hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 1846722197839 3693444395678 5540166593517 11080333187034 24007388571907 48014777143814 72022165715721 144044331431442