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244002042220 = 22531894421929
BaseRepresentation
bin1110001100111110100…
…1111011000101101100
3212022210220220000211211
43203033221323011230
512444204010322340
6304032030324204
723425412065246
oct3431751730554
9768726800754
10244002042220
1194531878852
123b357959664
131a017559851
14bb49db5096
1565314865ea
hex38cfa7b16c

244002042220 has 48 divisors (see below), whose sum is σ = 534876652800. Its totient is φ = 93391119360.

The previous prime is 244002042209. The next prime is 244002042223. The reversal of 244002042220 is 22240200442.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 244002042191 and 244002042200.

It is not an unprimeable number, because it can be changed into a prime (244002042223) 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, 2155785 + ... + 2266144.

It is an arithmetic number, because the mean of its divisors is an integer number (11143263600).

Almost surely, 2244002042220 is an apocalyptic number.

244002042220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244002042220 is an abundant number, since it is smaller than the sum of its proper divisors (290874610580).

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

244002042220 is a wasteful number, since it uses less digits than its factorization.

244002042220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422058 (or 4422056 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 244002042220 its reverse (22240200442), we get a palindrome (266242242662).

The spelling of 244002042220 in words is "two hundred forty-four billion, two million, forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 89 124 155 178 310 356 445 620 890 1780 2759 5518 11036 13795 27590 55180 4421929 8843858 17687716 22109645 44219290 88438580 137079799 274159598 393551681 548319196 685398995 787103362 1370797990 1574206724 1967758405 2741595980 3935516810 7871033620 12200102111 24400204222 48800408444 61000510555 122001021110 244002042220