Search a number
-
+
15202000000 = 275611691
BaseRepresentation
bin11100010100001110…
…00001110010000000
31110020110020121121001
432022013001302000
5222113203000000
610552251341344
71045501603465
oct161207016200
943213217531
1015202000000
1164a1150670
122b43151854
131583653795
14a42da766c
155de91646a
hex38a1c1c80

15202000000 has 224 divisors, whose sum is σ = 41357283120. Its totient is φ = 5520000000.

The previous prime is 15201999973. The next prime is 15202000081. The reversal of 15202000000 is 20251.

It is a super-2 number, since 2×152020000002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 21999655 + ... + 22000345.

Almost surely, 215202000000 is an apocalyptic number.

15202000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15202000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20678641560).

15202000000 is an abundant number, since it is smaller than the sum of its proper divisors (26155283120).

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

15202000000 is an frugal number, since it uses more digits than its factorization.

15202000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

Adding to 15202000000 its reverse (20251), we get a palindrome (15202020251).

The spelling of 15202000000 in words is "fifteen billion, two hundred two million", and thus it is an aban number.