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30120210102 = 2310149703317
BaseRepresentation
bin11100000011010011…
…011110111010110110
32212202010111012122010
4130003103132322312
5443141233210402
621500444345050
72114256363423
oct340323367266
985663435563
1030120210102
1111857089724
125a07245186
132ac0263838
14165a3bad4a
15bb4471a6c
hex7034deeb6

30120210102 has 16 divisors (see below), whose sum is σ = 60836861232. Its totient is φ = 9940663200.

The previous prime is 30120210091. The next prime is 30120210149. The reversal of 30120210102 is 20101202103.

It is a congruent number.

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, 24851053 + ... + 24852264.

It is an arithmetic number, because the mean of its divisors is an integer number (3802303827).

Almost surely, 230120210102 is an apocalyptic number.

30120210102 is an abundant number, since it is smaller than the sum of its proper divisors (30716651130).

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

30120210102 is a wasteful number, since it uses less digits than its factorization.

30120210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49703423.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30120210102 its reverse (20101202103), we get a palindrome (50221412205).

The spelling of 30120210102 in words is "thirty billion, one hundred twenty million, two hundred ten thousand, one hundred two".

Divisors: 1 2 3 6 101 202 303 606 49703317 99406634 149109951 298219902 5020035017 10040070034 15060105051 30120210102