Search a number
-
+
10211555450105 = 510161120099311
BaseRepresentation
bin1001010010011001000000…
…1000101001110011111001
31100011012210212010121212022
42110212100020221303321
52314301231143400410
633415042424324225
72102521602115232
oct224462010516371
940135725117768
1010211555450105
113287772922989
12118b099313675
13590c3a4a0129
14274355b8c089
1512a95cac4455
hex94990229cf9

10211555450105 has 8 divisors (see below), whose sum is σ = 12253987745664. Its totient is φ = 8169163556400.

The previous prime is 10211555450071. The next prime is 10211555450147. The reversal of 10211555450105 is 50105455511201.

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

It is a de Polignac number, because none of the positive numbers 2k-10211555450105 is a prime.

It is a super-2 number, since 2×102115554501052 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9541601 + ... + 10557710.

It is an arithmetic number, because the mean of its divisors is an integer number (1531748468208).

Almost surely, 210211555450105 is an apocalyptic number.

It is an amenable number.

10211555450105 is a deficient number, since it is larger than the sum of its proper divisors (2042432295559).

10211555450105 is a wasteful number, since it uses less digits than its factorization.

10211555450105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20200927.

The product of its (nonzero) digits is 25000, while the sum is 35.

The spelling of 10211555450105 in words is "ten trillion, two hundred eleven billion, five hundred fifty-five million, four hundred fifty thousand, one hundred five".

Divisors: 1 5 101611 508055 20099311 100496555 2042311090021 10211555450105