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30202112312101 = 4167104531051811
BaseRepresentation
bin1101101110111111110100…
…01011010000001100100101
310221221021221010200000110001
412313133322023100030211
512424312411222441401
6144122354151301301
76235013332606432
oct667377213201445
9127837833600401
1030202112312101
11969470a03a634
12347945637a831
1313b107c26a332
14765b0bc00b89
1537595d8e8601
hex1b77fa2d0325

30202112312101 has 16 divisors (see below), whose sum is σ = 31403555402688. Its totient is φ = 29022887836800.

The previous prime is 30202112312083. The next prime is 30202112312191. The reversal of 30202112312101 is 10121321120203.

It is not a de Polignac number, because 30202112312101 - 221 = 30202110214949 is a prime.

It is a super-2 number, since 2×302021123121012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202112312191) 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, 28188486 + ... + 29240296.

It is an arithmetic number, because the mean of its divisors is an integer number (1962722212668).

Almost surely, 230202112312101 is an apocalyptic number.

It is an amenable number.

30202112312101 is a deficient number, since it is larger than the sum of its proper divisors (1201443090587).

30202112312101 is a wasteful number, since it uses less digits than its factorization.

30202112312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062372.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30202112312101 its reverse (10121321120203), we get a palindrome (40323433432304).

The spelling of 30202112312101 in words is "thirty trillion, two hundred two billion, one hundred twelve million, three hundred twelve thousand, one hundred one".

Divisors: 1 41 67 2747 10453 428573 700351 1051811 28714391 43124251 70471337 2889324817 10994580383 450777795703 736636885661 30202112312101