Search a number
-
+
5021981430 = 235167399381
BaseRepresentation
bin1001010110101010…
…10101101011110110
3110221222202002102020
410223111111223312
540241111401210
62150154254010
7235310065164
oct45325255366
913858662366
105021981430
112147860a84
12b81a27306
13620586b5b
14358d84234
151e5d49770
hex12b555af6

5021981430 has 16 divisors (see below), whose sum is σ = 12052755504. Its totient is φ = 1339195040.

The previous prime is 5021981423. The next prime is 5021981479. The reversal of 5021981430 is 341891205.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5021981391 and 5021981400.

It is a congruent number.

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, 83699661 + ... + 83699720.

It is an arithmetic number, because the mean of its divisors is an integer number (753297219).

Almost surely, 25021981430 is an apocalyptic number.

5021981430 is an abundant number, since it is smaller than the sum of its proper divisors (7030774074).

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

5021981430 is a wasteful number, since it uses less digits than its factorization.

5021981430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167399391.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 5021981430 is about 70865.9398441875. The cubic root of 5021981430 is about 1712.4781312497.

The spelling of 5021981430 in words is "five billion, twenty-one million, nine hundred eighty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 167399381 334798762 502198143 836996905 1004396286 1673993810 2510990715 5021981430