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812050837054 = 2406025418527
BaseRepresentation
bin10111101000100100000…
…00000110111000111110
32212122001012220200122221
423310102000012320332
5101301040003241204
61421015003355554
7112445243140522
oct13642200067076
92778035820587
10812050837054
11293430588a66
1211146a222bba
135b7648005a2
142b436a17d82
15161cb255654
hexbd12006e3e

812050837054 has 4 divisors (see below), whose sum is σ = 1218076255584. Its totient is φ = 406025418526.

The previous prime is 812050837051. The next prime is 812050837061. The reversal of 812050837054 is 450738050218.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 812050837054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812050837051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203012709262 + ... + 203012709265.

It is an arithmetic number, because the mean of its divisors is an integer number (304519063896).

Almost surely, 2812050837054 is an apocalyptic number.

812050837054 is a deficient number, since it is larger than the sum of its proper divisors (406025418530).

812050837054 is a wasteful number, since it uses less digits than its factorization.

812050837054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406025418529.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 812050837054 in words is "eight hundred twelve billion, fifty million, eight hundred thirty-seven thousand, fifty-four".

Divisors: 1 2 406025418527 812050837054