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8001021357103 = 103124759622639
BaseRepresentation
bin111010001101110001000…
…0010010010110000101111
31001022220000221020201102011
41310123202002102300233
52022042042431411403
625003341331142051
71454024524260565
oct164334202226057
931286027221364
108001021357103
112605239a73a15
12a92799a44927
1346065439b388
141d9374189a35
15dd1d1964a6d
hex746e2092c2f

8001021357103 has 8 divisors (see below), whose sum is σ = 8078778905600. Its totient is φ = 7923265303608.

The previous prime is 8001021357071. The next prime is 8001021357107. The reversal of 8001021357103 is 3017531201008.

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 8001021357103 - 25 = 8001021357071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8001021357107) 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, 12538858 + ... + 13161496.

It is an arithmetic number, because the mean of its divisors is an integer number (1009847363200).

Almost surely, 28001021357103 is an apocalyptic number.

8001021357103 is a deficient number, since it is larger than the sum of its proper divisors (77757548497).

8001021357103 is a wasteful number, since it uses less digits than its factorization.

8001021357103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747501.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 8001021357103 in words is "eight trillion, one billion, twenty-one million, three hundred fifty-seven thousand, one hundred three".

Divisors: 1 103 124759 622639 12850177 64131817 77679819001 8001021357103