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30112302102 = 237121704777
BaseRepresentation
bin11100000010110101…
…010100010000010110
32212201120121102220020
4130002311110100112
5443132222131402
621500003050010
72114132226141
oct340265242026
985646542806
1030112302102
1111852678293
125a04670906
132abb72524c
14165931d058
15bb390d8bc
hex702d54416

30112302102 has 16 divisors (see below), whose sum is σ = 60233146992. Its totient is φ = 10036010240.

The previous prime is 30112302071. The next prime is 30112302119. The reversal of 30112302102 is 20120321103.

It is a super-2 number, since 2×301123021022 (a number of 22 digits) contains 22 as substring.

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, 309663 + ... + 395114.

It is an arithmetic number, because the mean of its divisors is an integer number (3764571687).

Almost surely, 230112302102 is an apocalyptic number.

30112302102 is an abundant number, since it is smaller than the sum of its proper divisors (30120844890).

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

30112302102 is a wasteful number, since it uses less digits than its factorization.

30112302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711903.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30112302102 its reverse (20120321103), we get a palindrome (50232623205).

The spelling of 30112302102 in words is "thirty billion, one hundred twelve million, three hundred two thousand, one hundred two".

Divisors: 1 2 3 6 7121 14242 21363 42726 704777 1409554 2114331 4228662 5018717017 10037434034 15056151051 30112302102