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144442302123020 = 22511661093993137
BaseRepresentation
bin100000110101111010011000…
…000110111100110000001100
3200221102112211101102010010012
4200311322120012330300030
5122413020313320414040
61231111513314332352
742265416620230016
oct4065723006746014
9627375741363105
10144442302123020
11420296aaa44360
1214249a7688a0b8
136279b09b36295
14279508aa1d1b6
1511a7420a17865
hex835e981bcc0c

144442302123020 has 48 divisors (see below), whose sum is σ = 330905016777888. Its totient is φ = 52524341160960.

The previous prime is 144442302123017. The next prime is 144442302123043. The reversal of 144442302123020 is 20321203244441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144943892 + ... + 145937028.

It is an arithmetic number, because the mean of its divisors is an integer number (6893854516206).

Almost surely, 2144442302123020 is an apocalyptic number.

144442302123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144442302123020 is an abundant number, since it is smaller than the sum of its proper divisors (186462714654868).

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

144442302123020 is a wasteful number, since it uses less digits than its factorization.

144442302123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654250 (or 1654248 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 144442302123020 its reverse (20321203244441), we get a palindrome (164763505367461).

The spelling of 144442302123020 in words is "one hundred forty-four trillion, four hundred forty-two billion, three hundred two million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 661093 993137 1322186 1986274 2644372 3305465 3972548 4965685 6610930 7272023 9931370 10924507 13221860 14544046 19862740 21849014 29088092 36360115 43698028 54622535 72720230 109245070 145440460 218490140 656555918741 1313111837482 2626223674964 3282779593705 6565559187410 7222115106151 13131118374820 14444230212302 28888460424604 36110575530755 72221151061510 144442302123020