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120210020010 = 23251335666889
BaseRepresentation
bin110111111110100010…
…0110101011010101010
3102111021122100201210100
41233331010311122222
53432142231120020
6131120153530230
711453626211433
oct1577504653252
9374248321710
10120210020010
1146a87471283
121b36a113976
13b44986c372
145b651b648a
1531d863da90
hex1bfd1356aa

120210020010 has 24 divisors (see below), whose sum is σ = 312546052260. Its totient is φ = 32056005312.

The previous prime is 120210020009. The next prime is 120210020083. The reversal of 120210020010 is 10020012021.

It can be written as a sum of positive squares in 2 ways, for example, as 112688447481 + 7521572529 = 335691^2 + 86727^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120210019974 and 120210020001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667833355 + ... + 667833534.

Almost surely, 2120210020010 is an apocalyptic number.

120210020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120210020010 is an abundant number, since it is smaller than the sum of its proper divisors (192336032250).

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

120210020010 is a wasteful number, since it uses less digits than its factorization.

120210020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335666902 (or 1335666899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120210020010 its reverse (10020012021), we get a palindrome (130230032031).

The spelling of 120210020010 in words is "one hundred twenty billion, two hundred ten million, twenty thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1335666889 2671333778 4007000667 6678334445 8014001334 12021002001 13356668890 20035003335 24042004002 40070006670 60105010005 120210020010