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20313121320130 = 257512704809763
BaseRepresentation
bin1001001111001100001000…
…11000010110110011000010
32122220220201100110122210111
410213212010120112303002
510130302233024221010
6111111415154421534
74164401040232012
oct447460430266302
978826640418714
1020313121320130
116521823472361
12234099b2918aa
13b446996810a2
14503235ca9c42
152535ce45d58a
hex127984616cc2

20313121320130 has 16 divisors (see below), whose sum is σ = 36612304965504. Its totient is φ = 8114429286000.

The previous prime is 20313121320083. The next prime is 20313121320161. The reversal of 20313121320130 is 3102312131302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352397372 + ... + 1352412391.

It is an arithmetic number, because the mean of its divisors is an integer number (2288269060344).

Almost surely, 220313121320130 is an apocalyptic number.

20313121320130 is a deficient number, since it is larger than the sum of its proper divisors (16299183645374).

20313121320130 is a wasteful number, since it uses less digits than its factorization.

20313121320130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704810521.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20313121320130 its reverse (3102312131302), we get a palindrome (23415433451432).

The spelling of 20313121320130 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-one million, three hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 751 1502 3755 7510 2704809763 5409619526 13524048815 27048097630 2031312132013 4062624264026 10156560660065 20313121320130