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80476800434 = 240238400217
BaseRepresentation
bin100101011110011001…
…0101000010110110010
321200201120022001020022
41022330302220112302
52304304030103214
6100545345043442
75546201342222
oct1127462502662
9250646261208
1080476800434
1131148068328
121371b626582
137786b56354
143c76212082
1521602a2d8e
hex12bcca85b2

80476800434 has 4 divisors (see below), whose sum is σ = 120715200654. Its totient is φ = 40238400216.

The previous prime is 80476800433. The next prime is 80476800449. The reversal of 80476800434 is 43400867408.

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

It can be written as a sum of positive squares in only one way, i.e., 47612549209 + 32864251225 = 218203^2 + 181285^2 .

It is not an unprimeable number, because it can be changed into a prime (80476800433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20119200107 + ... + 20119200110.

Almost surely, 280476800434 is an apocalyptic number.

80476800434 is a deficient number, since it is larger than the sum of its proper divisors (40238400220).

80476800434 is a wasteful number, since it uses less digits than its factorization.

80476800434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40238400219.

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 80476800434 in words is "eighty billion, four hundred seventy-six million, eight hundred thousand, four hundred thirty-four".

Divisors: 1 2 40238400217 80476800434