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142301522020 = 22571016439443
BaseRepresentation
bin1000010010000111010…
…1001110100001100100
3111121022020102022102111
42010201311032201210
54312413142201040
6145212235250404
713165235660020
oct2044165164144
9447266368374
10142301522020
1155393554759
12236b45a9a04
131055a64ab48
146c5d175380
153a7cce3dea
hex2121d4e864

142301522020 has 24 divisors (see below), whose sum is σ = 341523653184. Its totient is φ = 48789093216.

The previous prime is 142301521993. The next prime is 142301522021. The reversal of 142301522020 is 20225103241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142301521982 and 142301522000.

It is not an unprimeable number, because it can be changed into a prime (142301522021) 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, 508219582 + ... + 508219861.

It is an arithmetic number, because the mean of its divisors is an integer number (14230152216).

Almost surely, 2142301522020 is an apocalyptic number.

142301522020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142301522020 is an abundant number, since it is smaller than the sum of its proper divisors (199222131164).

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

142301522020 is a wasteful number, since it uses less digits than its factorization.

142301522020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016439459 (or 1016439457 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 142301522020 its reverse (20225103241), we get a palindrome (162526625261).

The spelling of 142301522020 in words is "one hundred forty-two billion, three hundred one million, five hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1016439443 2032878886 4065757772 5082197215 7115076101 10164394430 14230152202 20328788860 28460304404 35575380505 71150761010 142301522020