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2689101155 = 513281147227
BaseRepresentation
bin1010000001001000…
…0110110101100011
320221102000111022002
42200102012311203
521001402214110
61122500434215
7123431661026
oct24022066543
96842014262
102689101155
11115aa22554
126306a896b
1333b16ba20
141b71d71bd
1510b130aa5
hexa0486d63

2689101155 has 16 divisors (see below), whose sum is σ = 3487536864. Its totient is φ = 1978717440.

The previous prime is 2689101131. The next prime is 2689101161. The reversal of 2689101155 is 5511019862.

It is not a de Polignac number, because 2689101155 - 28 = 2689100899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55349 + ... + 91878.

It is an arithmetic number, because the mean of its divisors is an integer number (217971054).

Almost surely, 22689101155 is an apocalyptic number.

2689101155 is a deficient number, since it is larger than the sum of its proper divisors (798435709).

2689101155 is a wasteful number, since it uses less digits than its factorization.

2689101155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147526.

The product of its (nonzero) digits is 21600, while the sum is 38.

The square root of 2689101155 is about 51856.5439939840. The cubic root of 2689101155 is about 1390.6004953339.

The spelling of 2689101155 in words is "two billion, six hundred eighty-nine million, one hundred one thousand, one hundred fifty-five".

Divisors: 1 5 13 65 281 1405 3653 18265 147227 736135 1913951 9569755 41370787 206853935 537820231 2689101155