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2506050101 = 19871261223
BaseRepresentation
bin1001010101011111…
…0100101000110101
320110122120112110102
42111113310220311
520113022100401
61052401203445
7116050034342
oct22527645065
96418515412
102506050101
111076666595
1259b330585
1330c26a1a9
1419ab877c9
15ea02356b
hex955f4a35

2506050101 has 4 divisors (see below), whose sum is σ = 2507313312. Its totient is φ = 2504786892.

The previous prime is 2506050091. The next prime is 2506050133. The reversal of 2506050101 is 1010506052.

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.

It is a cyclic number.

It is not a de Polignac number, because 2506050101 - 26 = 2506050037 is a prime.

It is a super-2 number, since 2×25060501012 = 12560574217444220402, 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 (2506050601) 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 3 ways as a sum of consecutive naturals, for example, 628625 + ... + 632598.

It is an arithmetic number, because the mean of its divisors is an integer number (626828328).

Almost surely, 22506050101 is an apocalyptic number.

It is an amenable number.

2506050101 is a deficient number, since it is larger than the sum of its proper divisors (1263211).

2506050101 is a wasteful number, since it uses less digits than its factorization.

2506050101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263210.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2506050101 is about 50060.4644505023. The cubic root of 2506050101 is about 1358.3027596850.

Adding to 2506050101 its reverse (1010506052), we get a palindrome (3516556153).

The spelling of 2506050101 in words is "two billion, five hundred six million, fifty thousand, one hundred one".

Divisors: 1 1987 1261223 2506050101