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100611061 = 192278701
BaseRepresentation
bin1011111111100…
…11001111110101
321000022120102121
411333303033311
5201224023221
613552235541
72331115465
oct577631765
9230276377
10100611061
1151879641
122983bbb1
1317ac8995
14d50dba5
158c75a41
hex5ff33f5

100611061 has 6 divisors (see below), whose sum is σ = 106185462. Its totient is φ = 95315400.

The previous prime is 100611053. The next prime is 100611127. The reversal of 100611061 is 160116001.

It can be written as a sum of positive squares in only one way, i.e., 99880036 + 731025 = 9994^2 + 855^2 .

It is not a de Polignac number, because 100611061 - 23 = 100611053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100611011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138990 + ... + 139711.

It is an arithmetic number, because the mean of its divisors is an integer number (17697577).

Almost surely, 2100611061 is an apocalyptic number.

It is an amenable number.

100611061 is a deficient number, since it is larger than the sum of its proper divisors (5574401).

100611061 is an equidigital number, since it uses as much as digits as its factorization.

100611061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278739 (or 278720 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 100611061 is about 10030.5065176191. The cubic root of 100611061 is about 465.1023954563.

Adding to 100611061 its reverse (160116001), we get a palindrome (260727062).

The spelling of 100611061 in words is "one hundred million, six hundred eleven thousand, sixty-one".

Divisors: 1 19 361 278701 5295319 100611061