Search a number
-
+
80416785940 = 2254020839297
BaseRepresentation
bin100101011100100110…
…1101100011000010100
321200120101100222211021
41022321031230120110
52304143144122230
6100535402450524
75544542254651
oct1127115543024
9250511328737
1080416785940
11311171a7577
1213703503a44
1377775a290a
143c6c26cc28
152159d9ac7a
hex12b936c614

80416785940 has 12 divisors (see below), whose sum is σ = 168875250516. Its totient is φ = 32166714368.

The previous prime is 80416785919. The next prime is 80416785983. The reversal of 80416785940 is 4958761408.

It can be written as a sum of positive squares in 2 ways, for example, as 9100015236 + 71316770704 = 95394^2 + 267052^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2010419629 + ... + 2010419668.

It is an arithmetic number, because the mean of its divisors is an integer number (14072937543).

Almost surely, 280416785940 is an apocalyptic number.

It is an amenable number.

80416785940 is an abundant number, since it is smaller than the sum of its proper divisors (88458464576).

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

80416785940 is a wasteful number, since it uses less digits than its factorization.

80416785940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020839306 (or 4020839304 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 80416785940 in words is "eighty billion, four hundred sixteen million, seven hundred eighty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 4020839297 8041678594 16083357188 20104196485 40208392970 80416785940