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20213242413 = 37133710119813
BaseRepresentation
bin10010110100110011…
…011001101000101101
31221011200210002211220
4102310303121220231
5312344042224123
613141423533553
71313621503620
oct226463315055
957150702756
1020213242413
118632937221
123b0145a2b9
131ba191a590
14d9a753db7
157d483dce3
hex4b4cd9a2d

20213242413 has 64 divisors (see below), whose sum is σ = 34405980672. Its totient is φ = 10270540800.

The previous prime is 20213242409. The next prime is 20213242417. The reversal of 20213242413 is 31424231202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20213242409) and next prime (20213242417).

It is not a de Polignac number, because 20213242413 - 22 = 20213242409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213242417) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1010295 + ... + 1030107.

It is an arithmetic number, because the mean of its divisors is an integer number (537593448).

Almost surely, 220213242413 is an apocalyptic number.

It is an amenable number.

20213242413 is a deficient number, since it is larger than the sum of its proper divisors (14192738259).

20213242413 is a wasteful number, since it uses less digits than its factorization.

20213242413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19974.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20213242413 its reverse (31424231202), we get a palindrome (51637473615).

The spelling of 20213242413 in words is "twenty billion, two hundred thirteen million, two hundred forty-two thousand, four hundred thirteen".

Divisors: 1 3 7 13 21 37 39 91 101 111 259 273 303 481 707 777 1313 1443 2121 3367 3737 3939 9191 10101 11211 19813 26159 27573 48581 59439 78477 138691 145743 257569 340067 416073 733081 772707 1020201 1802983 2001113 2199243 5131567 5408949 6003339 9530053 14007791 15394701 26014469 28590159 42023373 66710371 74041181 78043407 182101283 200131113 222123543 518288267 546303849 962535353 1554864801 2887606059 6737747471 20213242413