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10012101001 = 73259438877
BaseRepresentation
bin10010101001100010…
…01000100110001001
3221211202112102120121
421110301020212021
5131001044213001
64333254023241
7503052311560
oct112461104611
927752472517
1010012101001
11427862a741
121b35047b21
13c37366426
146ad9d2bd7
153d8e9d6a1
hex254c48989

10012101001 has 8 divisors (see below), whose sum is σ = 11445938240. Its totient is φ = 8579148048.

The previous prime is 10012100953. The next prime is 10012101017. The reversal of 10012101001 is 10010121001.

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 10012101001 - 227 = 9877883273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012104001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196626 + ... + 242251.

It is an arithmetic number, because the mean of its divisors is an integer number (1430742280).

Almost surely, 210012101001 is an apocalyptic number.

It is an amenable number.

10012101001 is a deficient number, since it is larger than the sum of its proper divisors (1433837239).

10012101001 is an equidigital number, since it uses as much as digits as its factorization.

10012101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442143.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10012101001 its reverse (10010121001), we get a palindrome (20022222002).

The spelling of 10012101001 in words is "ten billion, twelve million, one hundred one thousand, one".

Divisors: 1 7 3259 22813 438877 3072139 1430300143 10012101001