Search a number
-
+
301121021020 = 22515056051051
BaseRepresentation
bin1000110000111000011…
…01100010010001011100
31001210020122022210111011
410120130031202101130
514413143440133040
6350155540305004
730520026306241
oct4303415422134
91053218283434
10301121021020
11106782a69a56
124a4389a2164
132251b15c661
1410807d935c8
157c75ce83ea
hex461c36245c

301121021020 has 12 divisors (see below), whose sum is σ = 632354144184. Its totient is φ = 120448408400.

The previous prime is 301121020973. The next prime is 301121021057. The reversal of 301121021020 is 20120121103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7528025506 + ... + 7528025545.

It is an arithmetic number, because the mean of its divisors is an integer number (52696178682).

Almost surely, 2301121021020 is an apocalyptic number.

It is an amenable number.

301121021020 is an abundant number, since it is smaller than the sum of its proper divisors (331233123164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

301121021020 is a wasteful number, since it uses less digits than its factorization.

301121021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15056051060 (or 15056051058 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 301121021020 its reverse (20120121103), we get a palindrome (321241142123).

The spelling of 301121021020 in words is "three hundred one billion, one hundred twenty-one million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 15056051051 30112102102 60224204204 75280255255 150560510510 301121021020