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21003404114142 = 23221132018327361
BaseRepresentation
bin1001100011010001111000…
…11100001111100011011110
32202100220110100022211212100
410301220330130033203132
510223104432423123032
6112400455230345530
74265305635201642
oct461507434174336
982326410284770
1021003404114142
1167685480792aa
12243272565b2a6
13b947c68b5ba8
145287da822c22
152665303b897c
hex131a3c70f8de

21003404114142 has 48 divisors (see below), whose sum is σ = 45532832331168. Its totient is φ = 6997218877440.

The previous prime is 21003404114141. The next prime is 21003404114159. The reversal of 21003404114142 is 24141140430012.

21003404114142 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 3 + 404 + 114 + 142 = 666.

It is a super-2 number, since 2×210034041141422 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21003404114141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 767626542 + ... + 767653902.

It is an arithmetic number, because the mean of its divisors is an integer number (948600673566).

Almost surely, 221003404114142 is an apocalyptic number.

21003404114142 is an abundant number, since it is smaller than the sum of its proper divisors (24529428217026).

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

21003404114142 is a wasteful number, since it uses less digits than its factorization.

21003404114142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49665 (or 49662 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 21003404114142 its reverse (24141140430012), we get a palindrome (45144544544154).

The spelling of 21003404114142 in words is "twenty-one trillion, three billion, four hundred four million, one hundred fourteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 2113 4226 6339 12678 19017 20183 27361 38034 40366 54722 60549 82083 121098 164166 181647 246249 363294 492498 42646679 57813793 85293358 115627586 127940037 173441379 255880074 346882758 383820111 520324137 552227063 767640222 1040648274 1104454126 1656681189 3313362378 4970043567 9940087134 1166855784119 2333711568238 3500567352357 7001134704714 10501702057071 21003404114142