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2661106101 = 31757191381
BaseRepresentation
bin1001111010011101…
…0100000110110101
320212110100012022020
42132213110012311
520422220343401
61120020423353
7122642012553
oct23647240665
96773305266
102661106101
111146141445
12623247b59
133354194c4
141b35cabd3
15108950d36
hex9e9d41b5

2661106101 has 16 divisors (see below), whose sum is σ = 3763476288. Its totient is φ = 1666771200.

The previous prime is 2661106081. The next prime is 2661106103. The reversal of 2661106101 is 1016011662.

It is not a de Polignac number, because 2661106101 - 217 = 2660975029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661106103) 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 15 ways as a sum of consecutive naturals, for example, 16570 + ... + 74811.

It is an arithmetic number, because the mean of its divisors is an integer number (235217268).

Almost surely, 22661106101 is an apocalyptic number.

It is an amenable number.

2661106101 is a deficient number, since it is larger than the sum of its proper divisors (1102370187).

2661106101 is a wasteful number, since it uses less digits than its factorization.

2661106101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91972.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2661106101 is about 51585.9099076482. The cubic root of 2661106101 is about 1385.7580077419.

Adding to 2661106101 its reverse (1016011662), we get a palindrome (3677117763).

The spelling of 2661106101 in words is "two billion, six hundred sixty-one million, one hundred six thousand, one hundred one".

Divisors: 1 3 17 51 571 1713 9707 29121 91381 274143 1553477 4660431 52178551 156535653 887035367 2661106101