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980101061 = 1079159823
BaseRepresentation
bin111010011010110…
…010011111000101
32112022020021220022
4322122302133011
54001401213221
6241130544525
733200502332
oct7232623705
92468207808
10980101061
11463272485
12234298145
13128090a74
149424b989
155b0a04ab
hex3a6b27c5

980101061 has 4 divisors (see below), whose sum is σ = 989260992. Its totient is φ = 970941132.

The previous prime is 980101009. The next prime is 980101079. The reversal of 980101061 is 160101089.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-980101061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 980101061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980101361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4579805 + ... + 4580018.

It is an arithmetic number, because the mean of its divisors is an integer number (247315248).

Almost surely, 2980101061 is an apocalyptic number.

It is an amenable number.

980101061 is a deficient number, since it is larger than the sum of its proper divisors (9159931).

980101061 is a wasteful number, since it uses less digits than its factorization.

980101061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9159930.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 980101061 is about 31306.5657809987. The cubic root of 980101061 is about 993.3225309872.

The spelling of 980101061 in words is "nine hundred eighty million, one hundred one thousand, sixty-one".

Divisors: 1 107 9159823 980101061