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404001143122120 = 23524923405249311
BaseRepresentation
bin101101111011011111101100…
…0100111111110100011001000
31221222110010120021221102211021
41123312333120213332203020
5410423123320114401440
63551123321334042224
7151045055642212135
oct13366773047764310
91858403507842737
10404001143122120
111077aaa17005895
123938a1654a9374
13144571b5114abb
1471a9a8c70d58c
1531a8ee463b84a
hex16f6fd89fe8c8

404001143122120 has 32 divisors (see below), whose sum is σ = 909039046705920. Its totient is φ = 161593972861120.

The previous prime is 404001143122037. The next prime is 404001143122303. The reversal of 404001143122120 is 21221341100404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201627736 + ... + 203621575.

It is an arithmetic number, because the mean of its divisors is an integer number (28407470209560).

Almost surely, 2404001143122120 is an apocalyptic number.

404001143122120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404001143122120 is an abundant number, since it is smaller than the sum of its proper divisors (505037903583800).

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

404001143122120 is a wasteful number, since it uses less digits than its factorization.

404001143122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405274245 (or 405274241 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 404001143122120 its reverse (21221341100404), we get a palindrome (425222484222524).

The spelling of 404001143122120 in words is "four hundred four trillion, one billion, one hundred forty-three million, one hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 24923 49846 99692 124615 199384 249230 498460 996920 405249311 810498622 1620997244 2026246555 3241994488 4052493110 8104986220 16209972440 10100028578053 20200057156106 40400114312212 50500142890265 80800228624424 101000285780530 202000571561060 404001143122120