Search a number
-
+
21024023313101 = 151143943316637
BaseRepresentation
bin1001100011111000010010…
…11100001111101011001101
32202102212200022222200101212
410301330021130033223031
510223424144432004401
6112414145235344205
74266635616406424
oct461741134175315
982385608880355
1021024023313101
1167762690796a6
12243671aa52065
13b9673164c033
145297d504c2bb
15266d3a695dbb
hex131f0970facd

21024023313101 has 8 divisors (see below), whose sum is σ = 21038482491264. Its totient is φ = 21009564859120.

The previous prime is 21024023313091. The next prime is 21024023313133. The reversal of 21024023313101 is 10131332042012.

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 21024023313101 - 210 = 21024023312077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21024023313191) 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, 66239555 + ... + 66556191.

It is an arithmetic number, because the mean of its divisors is an integer number (2629810311408).

Almost surely, 221024023313101 is an apocalyptic number.

It is an amenable number.

21024023313101 is a deficient number, since it is larger than the sum of its proper divisors (14459178163).

21024023313101 is a wasteful number, since it uses less digits than its factorization.

21024023313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362091.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21024023313101 its reverse (10131332042012), we get a palindrome (31155355355113).

The spelling of 21024023313101 in words is "twenty-one trillion, twenty-four billion, twenty-three million, three hundred thirteen thousand, one hundred one".

Divisors: 1 1511 43943 316637 66397873 478438507 13913979691 21024023313101