Search a number
-
+
20314421502 = 23127714871783
BaseRepresentation
bin10010111010110101…
…010111100011111110
31221102202011112110120
4102322311113203332
5313100442442002
613155440315410
71316260506444
oct227265274376
957382145416
1020314421502
118684a63601
123b2b312b66
131bb988496b
14da9d70b94
157dd677cbc
hex4bad578fe

20314421502 has 32 divisors (see below), whose sum is σ = 40710822912. Its totient is φ = 6757828704.

The previous prime is 20314421471. The next prime is 20314421557. The reversal of 20314421502 is 20512441302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11392503 + ... + 11394285.

It is an arithmetic number, because the mean of its divisors is an integer number (1272213216).

Almost surely, 220314421502 is an apocalyptic number.

20314421502 is an abundant number, since it is smaller than the sum of its proper divisors (20396401410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20314421502 is a wasteful number, since it uses less digits than its factorization.

20314421502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20314421502 its reverse (20512441302), we get a palindrome (40826862804).

The spelling of 20314421502 in words is "twenty billion, three hundred fourteen million, four hundred twenty-one thousand, five hundred two".

Divisors: 1 2 3 6 1277 1487 1783 2554 2974 3566 3831 4461 5349 7662 8922 10698 1898899 2276891 2651321 3797798 4553782 5302642 5696697 6830673 7953963 11393394 13661346 15907926 3385736917 6771473834 10157210751 20314421502