Search a number
-
+
20121314402 = 271437236743
BaseRepresentation
bin10010101111010100…
…101110010001100010
31220221021210200022202
4102233110232101202
5312202024030102
613124341333202
71311424231130
oct225724562142
956837720282
1020121314402
118595a59362
123a96707202
131b88871bc7
14d8c464750
157cb730e02
hex4af52e462

20121314402 has 8 divisors (see below), whose sum is σ = 34493681856. Its totient is φ = 8623420452.

The previous prime is 20121314363. The next prime is 20121314417. The reversal of 20121314402 is 20441312102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718618358 + ... + 718618385.

It is an arithmetic number, because the mean of its divisors is an integer number (4311710232).

Almost surely, 220121314402 is an apocalyptic number.

20121314402 is a deficient number, since it is larger than the sum of its proper divisors (14372367454).

20121314402 is a wasteful number, since it uses less digits than its factorization.

20121314402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437236752.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20121314402 its reverse (20441312102), we get a palindrome (40562626504).

The spelling of 20121314402 in words is "twenty billion, one hundred twenty-one million, three hundred fourteen thousand, four hundred two".

Divisors: 1 2 7 14 1437236743 2874473486 10060657201 20121314402