Search a number
-
+
20835001834 = 2281143925763
BaseRepresentation
bin10011011001110111…
…001110010111101010
31222210000201202102121
4103121313032113222
5320132230024314
613323234221454
71335211410403
oct233167162752
958700652377
1020835001834
1189218a7289
12405572488a
131c7069436a
1410191629aa
1581e208d24
hex4d9dce5ea

20835001834 has 16 divisors (see below), whose sum is σ = 31386735360. Its totient is φ = 10372811680.

The previous prime is 20835001807. The next prime is 20835001843. The reversal of 20835001834 is 43810053802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20835001834.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795837 + ... + 821599.

It is an arithmetic number, because the mean of its divisors is an integer number (1961670960).

Almost surely, 220835001834 is an apocalyptic number.

20835001834 is a deficient number, since it is larger than the sum of its proper divisors (10551733526).

20835001834 is a wasteful number, since it uses less digits than its factorization.

20835001834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27485.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 20835001834 in words is "twenty billion, eight hundred thirty-five million, one thousand, eight hundred thirty-four".

Divisors: 1 2 281 562 1439 2878 25763 51526 404359 808718 7239403 14478806 37072957 74145914 10417500917 20835001834