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30102130101 = 374322376037
BaseRepresentation
bin11100000010001110…
…100000110110110101
32212200212110122112110
4130002032200312311
5443122121130401
621455001041233
72113646612151
oct340216406665
985625418473
1030102130101
111184795a97a
125a01186219
132ab95a3304
141657c32061
15bb2a9e9d6
hex7023a0db5

30102130101 has 16 divisors (see below), whose sum is σ = 40214818944. Its totient is φ = 20028800064.

The previous prime is 30102130099. The next prime is 30102130111. The reversal of 30102130101 is 10103120103.

It is not a de Polignac number, because 30102130101 - 21 = 30102130099 is a prime.

It is a super-2 number, since 2×301021301012 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102130111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4983255 + ... + 4989291.

It is an arithmetic number, because the mean of its divisors is an integer number (2513426184).

Almost surely, 230102130101 is an apocalyptic number.

It is an amenable number.

30102130101 is a deficient number, since it is larger than the sum of its proper divisors (10112688843).

30102130101 is a wasteful number, since it uses less digits than its factorization.

30102130101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9020.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30102130101 its reverse (10103120103), we get a palindrome (40205250204).

The spelling of 30102130101 in words is "thirty billion, one hundred two million, one hundred thirty thousand, one hundred one".

Divisors: 1 3 743 2229 2237 6037 6711 18111 1662091 4485491 4986273 13456473 13504769 40514307 10034043367 30102130101