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404441143122 = 23372577088743
BaseRepresentation
bin1011110001010101001…
…00100001011101010010
31102122221012100211001010
411320222210201131102
523111243413034442
6505444145151350
741135266665102
oct5705244413522
91378835324033
10404441143122
11146582532a15
126647262b556
132c1a5778293
1415809d4b202
15a7c175cb9c
hex5e2a921752

404441143122 has 32 divisors (see below), whose sum is σ = 833976554112. Its totient is φ = 130659692544.

The previous prime is 404441143087. The next prime is 404441143129. The reversal of 404441143122 is 221341144404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 404441143122.

It is not an unprimeable number, because it can be changed into a prime (404441143129) 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, 3487318 + ... + 3601425.

It is an arithmetic number, because the mean of its divisors is an integer number (26061767316).

Almost surely, 2404441143122 is an apocalyptic number.

404441143122 is an abundant number, since it is smaller than the sum of its proper divisors (429535410990).

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

404441143122 is a wasteful number, since it uses less digits than its factorization.

404441143122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7089042.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 404441143122 its reverse (221341144404), we get a palindrome (625782287526).

The spelling of 404441143122 in words is "four hundred four billion, four hundred forty-one million, one hundred forty-three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 37 74 111 222 257 514 771 1542 9509 19018 28527 57054 7088743 14177486 21266229 42532458 262283491 524566982 786850473 1573700946 1821806951 3643613902 5465420853 10930841706 67406857187 134813714374 202220571561 404441143122