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1145015101 = 31113326867
BaseRepresentation
bin100010000111111…
…1000101100111101
32221210112210102201
41010033320230331
54321110440401
6305341351501
740242316306
oct10417705475
92853483381
101145015101
1153837087a
1227b568591
131532b2139
14ac0d97ad
156a7c8b01
hex443f8b3d

1145015101 has 8 divisors (see below), whose sum is σ = 1192414464. Its totient is φ = 1098269760.

The previous prime is 1145015099. The next prime is 1145015117. The reversal of 1145015101 is 1015105411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145015101 - 21 = 1145015099 is a prime.

It is a super-2 number, since 2×11450151012 = 2622119163036080402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145015191) 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 7 ways as a sum of consecutive naturals, for example, 159931 + ... + 166936.

It is an arithmetic number, because the mean of its divisors is an integer number (149051808).

Almost surely, 21145015101 is an apocalyptic number.

It is an amenable number.

1145015101 is a deficient number, since it is larger than the sum of its proper divisors (47399363).

1145015101 is a wasteful number, since it uses less digits than its factorization.

1145015101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327011.

The product of its (nonzero) digits is 100, while the sum is 19.

The square root of 1145015101 is about 33838.0717683499. The cubic root of 1145015101 is about 1046.1735557818.

The spelling of 1145015101 in words is "one billion, one hundred forty-five million, fifteen thousand, one hundred one".

Divisors: 1 31 113 3503 326867 10132877 36935971 1145015101