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10012221001 = 311013197771
BaseRepresentation
bin10010101001100011…
…00101111001001001
3221211202202112012001
421110301211321021
5131001112033001
64333300351001
7503053321456
oct112461457111
927752675161
1010012221001
114278701912
121b350a5461
13c373a8c33
146ada2482d
153d8ec4001
hex254c65e49

10012221001 has 8 divisors (see below), whose sum is σ = 10437527808. Its totient is φ = 9593310000.

The previous prime is 10012220993. The next prime is 10012221017.

10012221001 is nontrivially palindromic in base 10.

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 10012221001 - 23 = 10012220993 is a prime.

It is a super-3 number, since 3×100122210013 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012221041) 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, 1595755 + ... + 1602016.

It is an arithmetic number, because the mean of its divisors is an integer number (1304690976).

Almost surely, 210012221001 is an apocalyptic number.

It is an amenable number.

10012221001 is a deficient number, since it is larger than the sum of its proper divisors (425306807).

10012221001 is a wasteful number, since it uses less digits than its factorization.

10012221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197903.

The product of its (nonzero) digits is 8, while the sum is 10.

The spelling of 10012221001 in words is "ten billion, twelve million, two hundred twenty-one thousand, one".

Divisors: 1 31 101 3131 3197771 99130901 322974871 10012221001