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9100000141 = 60714991763
BaseRepresentation
bin10000111100110011…
…01111101110001101
3212111012020220102021
420132121233232031
5122114100001031
64102552330141
7441335503441
oct103631575615
925435226367
109100000141
11394a792881
12191b6a3951
13b203c3b8b
14624806821
15383d81511
hex21e66fb8d

9100000141 has 4 divisors (see below), whose sum is σ = 9114992512. Its totient is φ = 9085007772.

The previous prime is 9100000109. The next prime is 9100000171. The reversal of 9100000141 is 1410000019.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1410000019 = 1873752803.

It is a cyclic number.

It is not a de Polignac number, because 9100000141 - 25 = 9100000109 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 (9100000171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7495275 + ... + 7496488.

It is an arithmetic number, because the mean of its divisors is an integer number (2278748128).

Almost surely, 29100000141 is an apocalyptic number.

It is an amenable number.

9100000141 is a deficient number, since it is larger than the sum of its proper divisors (14992371).

9100000141 is a wasteful number, since it uses less digits than its factorization.

9100000141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14992370.

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

The square root of 9100000141 is about 95393.9208807354. The cubic root of 9100000141 is about 2087.7594894464.

The spelling of 9100000141 in words is "nine billion, one hundred million, one hundred forty-one", and thus it is an aban number.

Divisors: 1 607 14991763 9100000141