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102212222010 = 23510333078389
BaseRepresentation
bin101111100110001010…
…0101011110000111010
3100202211100022212100020
41133030110223300322
53133312312101020
6114542230351310
710245625360233
oct1371424536072
9322740285306
10102212222010
113a391153258
12179867bb536
13983bc30152
144d38ba008a
1529d356cc40
hex17cc52bc3a

102212222010 has 32 divisors (see below), whose sum is σ = 247690984320. Its totient is φ = 26991964608.

The previous prime is 102212222009. The next prime is 102212222081. The reversal of 102212222010 is 10222212201.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 16536105 + ... + 16542284.

It is an arithmetic number, because the mean of its divisors is an integer number (7740343260).

Almost surely, 2102212222010 is an apocalyptic number.

102212222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102212222010 is an abundant number, since it is smaller than the sum of its proper divisors (145478762310).

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

102212222010 is a wasteful number, since it uses less digits than its factorization.

102212222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33078502.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102212222010 its reverse (10222212201), we get a palindrome (112434434211).

The spelling of 102212222010 in words is "one hundred two billion, two hundred twelve million, two hundred twenty-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 33078389 66156778 99235167 165391945 198470334 330783890 496175835 992351670 3407074067 6814148134 10221222201 17035370335 20442444402 34070740670 51106111005 102212222010