Search a number
-
+
31454224202 = 2121712922853
BaseRepresentation
bin11101010010110100…
…010101111101001010
310000012002200010221202
4131102310111331022
51003404240133302
622241101104202
72162315331362
oct352264257512
9100162603852
1031454224202
11123810a9215
126119b58062
132c7374a8ab
1417456339a2
15c41630202
hex752d15f4a

31454224202 has 8 divisors (see below), whose sum is σ = 47220108516. Its totient is φ = 15714188032.

The previous prime is 31454224199. The next prime is 31454224229. The reversal of 31454224202 is 20242245413.

It can be written as a sum of positive squares in 2 ways, for example, as 27344260321 + 4109963881 = 165361^2 + 64109^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6458993 + ... + 6463860.

Almost surely, 231454224202 is an apocalyptic number.

31454224202 is a deficient number, since it is larger than the sum of its proper divisors (15765884314).

31454224202 is a wasteful number, since it uses less digits than its factorization.

31454224202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12924072.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 31454224202 its reverse (20242245413), we get a palindrome (51696469615).

The spelling of 31454224202 in words is "thirty-one billion, four hundred fifty-four million, two hundred twenty-four thousand, two hundred two".

Divisors: 1 2 1217 2434 12922853 25845706 15727112101 31454224202