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2013000001 = 41331148331
BaseRepresentation
bin111011111111011…
…1111000101000001
312012021210222212121
41313332333011001
513110312000001
6531425324241
7100612134445
oct16776770501
95167728777
102013000001
11943316771
12482196681
1326107957c
141514c0825
15bbace6a1
hex77fbf141

2013000001 has 8 divisors (see below), whose sum is σ = 2068341408. Its totient is φ = 1957956000.

The previous prime is 2012999987. The next prime is 2013000019. The reversal of 2013000001 is 1000003102.

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 2013000001 - 211 = 2012997953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013000401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60595 + ... + 87736.

It is an arithmetic number, because the mean of its divisors is an integer number (258542676).

Almost surely, 22013000001 is an apocalyptic number.

It is an amenable number.

2013000001 is a deficient number, since it is larger than the sum of its proper divisors (55341407).

2013000001 is a wasteful number, since it uses less digits than its factorization.

2013000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148703.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 2013000001 is about 44866.4685594933. The cubic root of 2013000001 is about 1262.6449856823.

Adding to 2013000001 its reverse (1000003102), we get a palindrome (3013003103).

The spelling of 2013000001 in words is "two billion, thirteen million, one", and thus it is an aban number and an uban number.

Divisors: 1 41 331 13571 148331 6081571 49097561 2013000001