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210020012220001 = 3131327297931423
BaseRepresentation
bin101111110000001100011000…
…001110010101111001100001
31000112121201100202101102100011
4233300030120032111321201
5210011431441112020001
62022401510041524521
762144305455022624
oct5760143016257141
91015551322342304
10210020012220001
1160a11a94762465
121b67b3511a3741
139025a574b01a9
1439c10468d9dbb
151943180d63d51
hexbf0318395e61

210020012220001 has 16 divisors (see below), whose sum is σ = 217567209000960. Its totient is φ = 202521563861760.

The previous prime is 210020012219993. The next prime is 210020012220049. The reversal of 210020012220001 is 100022210020012.

It is a happy number.

It is not a de Polignac number, because 210020012220001 - 23 = 210020012219993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210020012220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22513776 + ... + 30445198.

It is an arithmetic number, because the mean of its divisors is an integer number (13597950562560).

Almost surely, 2210020012220001 is an apocalyptic number.

It is an amenable number.

210020012220001 is a deficient number, since it is larger than the sum of its proper divisors (7547196780959).

210020012220001 is a wasteful number, since it uses less digits than its factorization.

210020012220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934496.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210020012220001 its reverse (100022210020012), we get a palindrome (310042222240013).

The spelling of 210020012220001 in words is "two hundred ten trillion, twenty billion, twelve million, two hundred twenty thousand, one".

Divisors: 1 31 313 2729 9703 84599 854177 7931423 26479487 245874113 2482535399 21644853367 76958597369 670990454377 6774839103871 210020012220001