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30101102 = 215050551
BaseRepresentation
bin111001011010…
…0111001101110
32002122021221122
41302310321232
530201213402
62553100542
7513566213
oct162647156
962567848
1030101102
1115a9a449
12a0b7752
13630c005
143dd7b0a
152998ca2
hex1cb4e6e

30101102 has 4 divisors (see below), whose sum is σ = 45151656. Its totient is φ = 15050550.

The previous prime is 30101087. The next prime is 30101107. The reversal of 30101102 is 20110103.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×301011022 = 1812152683228808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525274 + ... + 7525277.

It is an arithmetic number, because the mean of its divisors is an integer number (11287914).

Almost surely, 230101102 is an apocalyptic number.

30101102 is a deficient number, since it is larger than the sum of its proper divisors (15050554).

30101102 is a wasteful number, since it uses less digits than its factorization.

30101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050553.

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

The square root of 30101102 is about 5486.4471199493. The cubic root of 30101102 is about 311.0719119074.

Adding to 30101102 its reverse (20110103), we get a palindrome (50211205).

Subtracting from 30101102 its reverse (20110103), we obtain a palindrome (9990999).

It can be divided in two parts, 30101 and 102, that added together give a palindrome (30203).

The spelling of 30101102 in words is "thirty million, one hundred one thousand, one hundred two".

Divisors: 1 2 15050551 30101102