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10021321441 = 432291017703
BaseRepresentation
bin10010101010101000…
…10011101011100001
3221212101212212122101
421111110103223201
5131010424241231
64334223410401
7503223553405
oct112524235341
927771785571
1010021321441
11428285813a
121b38153a01
13c39244201
146b0d13105
153d9bc0661
hex255513ae1

10021321441 has 8 divisors (see below), whose sum is σ = 10299164480. Its totient is φ = 9745514352.

The previous prime is 10021321439. The next prime is 10021321469. The reversal of 10021321441 is 14412312001.

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

It is a cyclic number.

It is not a de Polignac number, because 10021321441 - 21 = 10021321439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021321481) 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, 499005 + ... + 518698.

It is an arithmetic number, because the mean of its divisors is an integer number (1287395560).

Almost surely, 210021321441 is an apocalyptic number.

It is an amenable number.

10021321441 is a deficient number, since it is larger than the sum of its proper divisors (277843039).

10021321441 is a wasteful number, since it uses less digits than its factorization.

10021321441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017975.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10021321441 its reverse (14412312001), we get a palindrome (24433633442).

The spelling of 10021321441 in words is "ten billion, twenty-one million, three hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 43 229 9847 1017703 43761229 233053987 10021321441