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30101012 = 2228326591
BaseRepresentation
bin111001011010…
…0111000010100
32002122021211022
41302310320110
530201213022
62553100312
7513566024
oct162647024
962567738
1030101012
1115a9a377
12a0b7698
13630bc66
143dd7a84
152998c42
hex1cb4e14

30101012 has 12 divisors (see below), whose sum is σ = 52864896. Its totient is φ = 14996760.

The previous prime is 30101003. The next prime is 30101021. The reversal of 30101012 is 21010103.

It is an interprime number because it is at equal distance from previous prime (30101003) and next prime (30101021).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12164 + ... + 14427.

It is an arithmetic number, because the mean of its divisors is an integer number (4405408).

Almost surely, 230101012 is an apocalyptic number.

It is an amenable number.

30101012 is a deficient number, since it is larger than the sum of its proper divisors (22763884).

30101012 is a wasteful number, since it uses less digits than its factorization.

30101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26878 (or 26876 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 30101012 is about 5486.4389179139. The cubic root of 30101012 is about 311.0716018800.

Adding to 30101012 its reverse (21010103), we get a palindrome (51111115).

Subtracting from 30101012 its reverse (21010103), we obtain a palindrome (9090909).

It can be divided in two parts, 3010101 and 2, that added together give a palindrome (3010103).

The spelling of 30101012 in words is "thirty million, one hundred one thousand, twelve".

Divisors: 1 2 4 283 566 1132 26591 53182 106364 7525253 15050506 30101012