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30102162102 = 2322239477919
BaseRepresentation
bin11100000010001110…
…101000101010110110
32212200212112021102200
4130002032220222312
5443122123141402
621455001445330
72113650104355
oct340216505266
985625467380
1030102162102
1111847981a21
125a011a0846
132ab95b4a4c
141657c3d99c
15bb2aa921c
hex7023a8ab6

30102162102 has 48 divisors (see below), whose sum is σ = 65591285760. Its totient is φ = 9977250096.

The previous prime is 30102162071. The next prime is 30102162127. The reversal of 30102162102 is 20126120103.

30102162102 is a `hidden beast` number, since 30 + 10 + 2 + 1 + 621 + 0 + 2 = 666.

It is a super-2 number, since 2×301021621022 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3797299 + ... + 3805217.

It is an arithmetic number, because the mean of its divisors is an integer number (1366485120).

Almost surely, 230102162102 is an apocalyptic number.

30102162102 is an abundant number, since it is smaller than the sum of its proper divisors (35489123658).

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

30102162102 is a wasteful number, since it uses less digits than its factorization.

30102162102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9097 (or 9094 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30102162102 its reverse (20126120103), we get a palindrome (50228282205).

The spelling of 30102162102 in words is "thirty billion, one hundred two million, one hundred sixty-two thousand, one hundred two".

Divisors: 1 2 3 6 9 18 223 446 669 947 1338 1894 2007 2841 4014 5682 7919 8523 15838 17046 23757 47514 71271 142542 211181 422362 633543 1267086 1765937 1900629 3531874 3801258 5297811 7499293 10595622 14998586 15893433 22497879 31786866 44995758 67493637 134987274 1672342339 3344684678 5017027017 10034054034 15051081051 30102162102