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10221021430042 = 219268974248159
BaseRepresentation
bin1001010010111100010001…
…0110100000000100011010
31100012010020120001020011211
42110233010112200010122
52314430122441230132
633423250013213334
72103305303452333
oct224570426400432
940163216036154
1010221021430042
1132907901547a5
121190a9b49124a
13591ab86537a7
142749b302128a
1512ad13b49147
hex94bc45a011a

10221021430042 has 8 divisors (see below), whose sum is σ = 16138454889600. Its totient is φ = 4841536466844.

The previous prime is 10221021430033. The next prime is 10221021430043. The reversal of 10221021430042 is 24003412012201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10221021429995 and 10221021430022.

It is not an unprimeable number, because it can be changed into a prime (10221021430043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134487124042 + ... + 134487124117.

It is an arithmetic number, because the mean of its divisors is an integer number (2017306861200).

Almost surely, 210221021430042 is an apocalyptic number.

10221021430042 is a deficient number, since it is larger than the sum of its proper divisors (5917433459558).

10221021430042 is a wasteful number, since it uses less digits than its factorization.

10221021430042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268974248180.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10221021430042 its reverse (24003412012201), we get a palindrome (34224433442243).

The spelling of 10221021430042 in words is "ten trillion, two hundred twenty-one billion, twenty-one million, four hundred thirty thousand, forty-two".

Divisors: 1 2 19 38 268974248159 537948496318 5110510715021 10221021430042