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159149111 = 11191037393
BaseRepresentation
bin10010111110001…
…10110000110111
3102002110121112112
421133012300313
5311220232421
623443041235
73641513402
oct1137066067
9362417475
10159149111
11819210a0
124537021b
1326c83394
14171cad39
15de8a45b
hex97c6c37

159149111 has 16 divisors (see below), whose sum is σ = 184554240. Its totient is φ = 135717120.

The previous prime is 159149077. The next prime is 159149117. The reversal of 159149111 is 111941951.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-159149111 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 (159149117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17831 + ... + 25223.

It is an arithmetic number, because the mean of its divisors is an integer number (11534640).

Almost surely, 2159149111 is an apocalyptic number.

159149111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

159149111 is a deficient number, since it is larger than the sum of its proper divisors (25405129).

159149111 is a wasteful number, since it uses less digits than its factorization.

159149111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526.

The product of its digits is 1620, while the sum is 32.

The square root of 159149111 is about 12615.4314630931. The cubic root of 159149111 is about 541.9194505915.

The spelling of 159149111 in words is "one hundred fifty-nine million, one hundred forty-nine thousand, one hundred eleven".

Divisors: 1 11 19 103 209 1133 1957 7393 21527 81323 140467 761479 1545137 8376269 14468101 159149111