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20030124421444 = 2226971473260453
BaseRepresentation
bin1001000110111101000000…
…11100110111000101000100
32121220212020210212200011111
410203132200130313011010
510111133143322441234
6110333413453014404
74135062104255314
oct443364034670504
977825223780144
1020030124421444
116422801062805
1222b5b80184404
13b23aa9390397
144d366b013444
1524b06988a664
hex1237a0737144

20030124421444 has 24 divisors (see below), whose sum is σ = 35183652580440. Its totient is φ = 9977653584384.

The previous prime is 20030124421427. The next prime is 20030124421511. The reversal of 20030124421444 is 44412442103002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 375425798400 + 19654698623044 = 612720^2 + 4433362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76774722 + ... + 77035174.

It is an arithmetic number, because the mean of its divisors is an integer number (1465985524185).

Almost surely, 220030124421444 is an apocalyptic number.

It is an amenable number.

20030124421444 is a deficient number, since it is larger than the sum of its proper divisors (15153528158996).

20030124421444 is a wasteful number, since it uses less digits than its factorization.

20030124421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332199 (or 332197 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 20030124421444 its reverse (44412442103002), we get a palindrome (64442566524446).

The spelling of 20030124421444 in words is "twenty trillion, thirty billion, one hundred twenty-four million, four hundred twenty-one thousand, four hundred forty-four".

Divisors: 1 2 4 269 538 1076 71473 142946 260453 285892 520906 1041812 19226237 38452474 70061857 76904948 140123714 280247428 18615357269 37230714538 74461429076 5007531105361 10015062210722 20030124421444