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10021210010 = 257283246403
BaseRepresentation
bin10010101010100111…
…11000011110011010
3221212101200012210022
421111103320132122
5131010412210020
64334221150442
7503222610500
oct112523703632
927771605708
1010021210010
114282791449
121b380bb422
13c39205586
146b0cc4670
153d9b9c625
hex2554f879a

10021210010 has 48 divisors (see below), whose sum is σ = 21236082336. Its totient is φ = 3394433952.

The previous prime is 10021209983. The next prime is 10021210019. The reversal of 10021210010 is 1001212001.

It is a self number, because there is not a number n which added to its sum of digits gives 10021210010.

It is not an unprimeable number, because it can be changed into a prime (10021210019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82532 + ... + 163871.

It is an arithmetic number, because the mean of its divisors is an integer number (442418382).

Almost surely, 210021210010 is an apocalyptic number.

10021210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021210010 is an abundant number, since it is smaller than the sum of its proper divisors (11214872326).

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

10021210010 is a wasteful number, since it uses less digits than its factorization.

10021210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246507 (or 246500 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10021210010 its reverse (1001212001), we get a palindrome (11022422011).

The spelling of 10021210010 in words is "ten billion, twenty-one million, two hundred ten thousand, ten".

Divisors: 1 2 5 7 10 14 35 49 70 83 98 166 245 415 490 581 830 1162 2905 4067 5810 8134 20335 40670 246403 492806 1232015 1724821 2464030 3449642 8624105 12073747 17248210 20451449 24147494 40902898 60368735 102257245 120737470 143160143 204514490 286320286 715800715 1002121001 1431601430 2004242002 5010605005 10021210010