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210020101210 = 25110319040807
BaseRepresentation
bin1100001110011000101…
…1000110110001011010
3202002002122212120022001
43003212023012301122
511420110121214320
6240252031351214
721113331256033
oct3034613066132
9662078776261
10210020101210
1181083965587
123485338250a
1316a60226b4a
14a244b97a8a
1556e2ea320a
hex30e62c6c5a

210020101210 has 16 divisors (see below), whose sum is σ = 378378936576. Its totient is φ = 83931872848.

The previous prime is 210020101201. The next prime is 210020101223. The reversal of 210020101210 is 12101020012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9509374 + ... + 9531433.

It is an arithmetic number, because the mean of its divisors is an integer number (23648683536).

Almost surely, 2210020101210 is an apocalyptic number.

210020101210 is a deficient number, since it is larger than the sum of its proper divisors (168358835366).

210020101210 is a wasteful number, since it uses less digits than its factorization.

210020101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19041917.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210020101210 its reverse (12101020012), we get a palindrome (222121121222).

The spelling of 210020101210 in words is "two hundred ten billion, twenty million, one hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 1103 2206 5515 11030 19040807 38081614 95204035 190408070 21002010121 42004020242 105010050605 210020101210