Search a number
-
+
811472034492 = 223372347992947
BaseRepresentation
bin10111100111011111000…
…00001001101010111100
32212120112212210110211000
423303233200021222330
5101243343320100432
61420441325530300
7112425014325510
oct13635740115274
92776485713730
10811472034492
11293163899039
12111328413990
135b6a1917172
142b3bdbcc140
151619552357c
hexbcef809abc

811472034492 has 192 divisors, whose sum is σ = 2562282455040. Its totient is φ = 217050052032.

The previous prime is 811472034487. The next prime is 811472034553. The reversal of 811472034492 is 294430274118.

811472034492 is a `hidden beast` number, since 81 + 14 + 72 + 0 + 3 + 4 + 492 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 320763 + ... + 1313709.

It is an arithmetic number, because the mean of its divisors is an integer number (13345221120).

Almost surely, 2811472034492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 811472034492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281141227520).

811472034492 is an abundant number, since it is smaller than the sum of its proper divisors (1750810420548).

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

811472034492 is a wasteful number, since it uses less digits than its factorization.

811472034492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993037 (or 993029 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 811472034492 in words is "eight hundred eleven billion, four hundred seventy-two million, thirty-four thousand, four hundred ninety-two".