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10210210220021 = 78647168682949
BaseRepresentation
bin1001010010010011111111…
…1101000000011111110101
31100011002100002211212002212
42110210333331000133311
52314241002304020041
633414301131343205
72102443345624520
oct224447775003765
940132302755085
1010210210220021
113287142542689
12118a9828b1b05
13590a84889bb6
14274269255bb7
1512a8ce94c8eb
hex9493ff407f5

10210210220021 has 8 divisors (see below), whose sum is σ = 11670161212800. Its totient is φ = 8750596610448.

The previous prime is 10210210220003. The next prime is 10210210220033. The reversal of 10210210220021 is 12002201201201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10210210220021 - 218 = 10210209957877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210210219978 and 10210210220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210210210021) 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, 84280946 + ... + 84402003.

It is an arithmetic number, because the mean of its divisors is an integer number (1458770151600).

Almost surely, 210210210220021 is an apocalyptic number.

It is an amenable number.

10210210220021 is a deficient number, since it is larger than the sum of its proper divisors (1459950992779).

10210210220021 is an equidigital number, since it uses as much as digits as its factorization.

10210210220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168691603.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10210210220021 its reverse (12002201201201), we get a palindrome (22212411421222).

The spelling of 10210210220021 in words is "ten trillion, two hundred ten billion, two hundred ten million, two hundred twenty thousand, twenty-one".

Divisors: 1 7 8647 60529 168682949 1180780643 1458601460003 10210210220021