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201630460404 = 223110315233489
BaseRepresentation
bin1011101111001000011…
…1001010100111110100
3201021102222021122200210
42323302013022213310
511300414344213104
6232343332305420
720365406430612
oct2736207124764
9637388248623
10201630460404
117856915823a
12330b1772270
131602405b649
149a8a8646b2
1553a168d989
hex2ef21ca9f4

201630460404 has 24 divisors (see below), whose sum is σ = 470897642880. Its totient is φ = 67149215104.

The previous prime is 201630460403. The next prime is 201630460453. The reversal of 201630460404 is 404064036102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201630460403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7603509 + ... + 7629980.

It is an arithmetic number, because the mean of its divisors is an integer number (19620735120).

Almost surely, 2201630460404 is an apocalyptic number.

It is an amenable number.

201630460404 is an abundant number, since it is smaller than the sum of its proper divisors (269267182476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201630460404 is a wasteful number, since it uses less digits than its factorization.

201630460404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15234599 (or 15234597 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 201630460404 its reverse (404064036102), we get a palindrome (605694496506).

The spelling of 201630460404 in words is "two hundred one billion, six hundred thirty million, four hundred sixty thousand, four hundred four".

Divisors: 1 2 3 4 6 12 1103 2206 3309 4412 6618 13236 15233489 30466978 45700467 60933956 91400934 182801868 16802538367 33605076734 50407615101 67210153468 100815230202 201630460404