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40100330221 = 7131250317471
BaseRepresentation
bin100101010110001010…
…100111101011101101
310211111122211211200121
4211112022213223231
51124111141031341
630231041124541
72616503116510
oct452612475355
9124448754617
1040100330221
1116008655686
127931629751
133a20ab0463
141d25a46d77
15109a7044d1
hex9562a7aed

40100330221 has 16 divisors (see below), whose sum is σ = 46199881728. Its totient is φ = 34093753200.

The previous prime is 40100330219. The next prime is 40100330239. The reversal of 40100330221 is 12203300104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40100330221 - 21 = 40100330219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40100330195 and 40100330204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100330321) 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, 2286516 + ... + 2303986.

It is an arithmetic number, because the mean of its divisors is an integer number (2887492608).

Almost surely, 240100330221 is an apocalyptic number.

It is an amenable number.

40100330221 is a deficient number, since it is larger than the sum of its proper divisors (6099551507).

40100330221 is a wasteful number, since it uses less digits than its factorization.

40100330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20112.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40100330221 its reverse (12203300104), we get a palindrome (52303630325).

The spelling of 40100330221 in words is "forty billion, one hundred million, three hundred thirty thousand, two hundred twenty-one".

Divisors: 1 7 131 917 2503 17471 17521 122297 327893 2288701 2295251 16020907 43729913 306109391 5728618603 40100330221