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812050228802 = 26372012
BaseRepresentation
bin10111101000100011111…
…01110010011001000010
32212122001011202210022002
423310101331302121002
5101301034324310202
61421014542344002
7112445235025301
oct13642175623102
92778034683262
10812050228802
11293430202a7a
12111469b8b002
135b764649787
142b4368da438
15161cb185302
hexbd11f72642

812050228802 has 6 divisors (see below), whose sum is σ = 1218077254809. Its totient is φ = 406024477200.

The previous prime is 812050228777. The next prime is 812050228837. The reversal of 812050228802 is 208822050218.

812050228802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 683398169041 + 128652059761 = 826679^2 + 358681^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=637201.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 955802 + ... + 1593002.

Almost surely, 2812050228802 is an apocalyptic number.

812050228802 is a deficient number, since it is larger than the sum of its proper divisors (406027026007).

812050228802 is an frugal number, since it uses more digits than its factorization.

812050228802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274404 (or 637203 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The spelling of 812050228802 in words is "eight hundred twelve billion, fifty million, two hundred twenty-eight thousand, eight hundred two".

Divisors: 1 2 637201 1274402 406025114401 812050228802