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30000440400442 = 2139713891511651
BaseRepresentation
bin1101101001001000001011…
…00101111101101000111010
310221020000101021101102022121
412310210011211331220322
512413011400220303232
6143450002334311454
76214313610624421
oct664440545755072
9127200337342277
1030000440400442
11961712a550466
12344635295858a
13139804c757725
1475a059a6a2b8
153705a87bcd97
hex1b490597da3a

30000440400442 has 16 divisors (see below), whose sum is σ = 45325071237600. Its totient is φ = 14892086487600.

The previous prime is 30000440400401. The next prime is 30000440400443. The reversal of 30000440400442 is 24400404400003.

It is not an unprimeable number, because it can be changed into a prime (30000440400443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19090317 + ... + 20601967.

It is an arithmetic number, because the mean of its divisors is an integer number (2832816952350).

Almost surely, 230000440400442 is an apocalyptic number.

30000440400442 is a deficient number, since it is larger than the sum of its proper divisors (15324630837158).

30000440400442 is a wasteful number, since it uses less digits than its factorization.

30000440400442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583181.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 30000440400442 its reverse (24400404400003), we get a palindrome (54400844800445).

The spelling of 30000440400442 in words is "thirty trillion, four hundred forty million, four hundred thousand, four hundred forty-two".

Divisors: 1 2 139 278 71389 142778 1511651 3023302 9923071 19846142 210119489 420238978 107915253239 215830506478 15000220200221 30000440400442