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210021210000210 = 23571000101000001
BaseRepresentation
bin101111110000001101011111…
…100111100000101101010010
31000112121211110020012221220010
4233300031133213200231102
5210011441414230001320
62022402224550255350
762144350241004330
oct5760153747405522
91015554406187803
10210021210000210
1160a12549892464
121b67b626357556
139025bb86a818b
1439c111ba0cb50
1519432010b1ae0
hexbf035f9e0b52

210021210000210 has 32 divisors (see below), whose sum is σ = 576058176001152. Its totient is φ = 48004848000000.

The previous prime is 210021210000191. The next prime is 210021210000281. The reversal of 210021210000210 is 12000012120012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500050499791 + ... + 500050500210.

It is an arithmetic number, because the mean of its divisors is an integer number (18001818000036).

Almost surely, 2210021210000210 is an apocalyptic number.

210021210000210 is an abundant number, since it is smaller than the sum of its proper divisors (366036966000942).

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

210021210000210 is a wasteful number, since it uses less digits than its factorization.

210021210000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000101000018.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210021210000210 its reverse (12000012120012), we get a palindrome (222021222120222).

The spelling of 210021210000210 in words is "two hundred ten trillion, twenty-one billion, two hundred ten million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1000101000001 2000202000002 3000303000003 5000505000005 6000606000006 7000707000007 10001010000010 14001414000014 15001515000015 21002121000021 30003030000030 35003535000035 42004242000042 70007070000070 105010605000105 210021210000210