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30101612 = 227525403
BaseRepresentation
bin111001011010…
…1000001101100
32002122022122112
41302311001230
530201222422
62553103152
7513600542
oct162650154
962568575
1030101612
1115a9a872
12a0b7ab8
13630c308
143dd7d92
152998ee2
hex1cb506c

30101612 has 6 divisors (see below), whose sum is σ = 52677828. Its totient is φ = 15050804.

The previous prime is 30101597. The next prime is 30101629. The reversal of 30101612 is 21610103.

It is a super-2 number, since 2×301016122 = 1812214089997088, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3762698 + ... + 3762705.

It is an arithmetic number, because the mean of its divisors is an integer number (8779638).

Almost surely, 230101612 is an apocalyptic number.

It is an amenable number.

30101612 is a deficient number, since it is larger than the sum of its proper divisors (22576216).

30101612 is a wasteful number, since it uses less digits than its factorization.

30101612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525407 (or 7525405 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 30101612 is about 5486.4935979184. The cubic root of 30101612 is about 311.0736687177.

Adding to 30101612 its reverse (21610103), we get a palindrome (51711715).

The spelling of 30101612 in words is "thirty million, one hundred one thousand, six hundred twelve".

Divisors: 1 2 4 7525403 15050806 30101612