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3005252750053 = 17881168069613
BaseRepresentation
bin101011101110110111000…
…001011100101011100101
3101122022002020020121220101
4223232313001130223211
5343214224201000203
610220332152104101
7430056651616141
oct53566701345345
911568066217811
103005252750053
11a5957a915624
12406531095031
1318a517b54b28
14a565278c221
155329097441d
hex2bbb705cae5

3005252750053 has 4 divisors (see below), whose sum is σ = 3005420837548. Its totient is φ = 3005084662560.

The previous prime is 3005252750047. The next prime is 3005252750141. The reversal of 3005252750053 is 3500572525003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2376089682849 + 629163067204 = 1541457^2 + 793198^2 .

It is a cyclic number.

It is not a de Polignac number, because 3005252750053 - 229 = 3004715879141 is a prime.

It is a super-2 number, since 2×30052527500532 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3005252749994 and 3005252750021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3005252750033) 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, 84016926 + ... + 84052687.

It is an arithmetic number, because the mean of its divisors is an integer number (751355209387).

Almost surely, 23005252750053 is an apocalyptic number.

It is an amenable number.

3005252750053 is a deficient number, since it is larger than the sum of its proper divisors (168087495).

3005252750053 is a wasteful number, since it uses less digits than its factorization.

3005252750053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168087494.

The product of its (nonzero) digits is 157500, while the sum is 37.

The spelling of 3005252750053 in words is "three trillion, five billion, two hundred fifty-two million, seven hundred fifty thousand, fifty-three".

Divisors: 1 17881 168069613 3005252750053