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1017121000106 = 23972171280309
BaseRepresentation
bin11101100110100010010…
…00101100101010101010
310121020100220121100100002
432303101020230222222
5113131030434000411
62055131532543002
7133325130565151
oct16632110545252
93536326540302
101017121000106
113623a4319762
1214515b921a62
1374bb6376133
143732c222598
151b6ce89033b
hexecd122caaa

1017121000106 has 8 divisors (see below), whose sum is σ = 1525686532740. Its totient is φ = 508558822528.

The previous prime is 1017121000097. The next prime is 1017121000109. The reversal of 1017121000106 is 6010001217101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1006942006225 + 10178993881 = 1003465^2 + 100891^2 .

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

It is a super-2 number, since 2×10171210001062 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1017121000109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 154280 + ... + 1434588.

Almost surely, 21017121000106 is an apocalyptic number.

1017121000106 is a deficient number, since it is larger than the sum of its proper divisors (508565532634).

1017121000106 is a wasteful number, since it uses less digits than its factorization.

1017121000106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677528.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 1017121000106 its reverse (6010001217101), we get a palindrome (7027122217207).

The spelling of 1017121000106 in words is "one trillion, seventeen billion, one hundred twenty-one million, one hundred six", and thus it is an aban number.

Divisors: 1 2 397217 794434 1280309 2560618 508560500053 1017121000106