Search a number
-
+
742425881406 = 231122545340177
BaseRepresentation
bin10101100110111000000…
…01111110101100111110
32121222022221021110220220
422303130001332230332
544130442011201111
61325022111122210
7104432001603606
oct12633401765476
92558287243826
10742425881406
11266952067300
12bba78b13366
1355019c9a591
1427d0db4bc06
15144a3a28e06
hexacdc07eb3e

742425881406 has 48 divisors (see below), whose sum is σ = 1632214535952. Its totient is φ = 224963101440.

The previous prime is 742425881389. The next prime is 742425881413. The reversal of 742425881406 is 604188524247.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18458790 + ... + 18498966.

It is an arithmetic number, because the mean of its divisors is an integer number (34004469499).

Almost surely, 2742425881406 is an apocalyptic number.

742425881406 is an abundant number, since it is smaller than the sum of its proper divisors (889788654546).

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

742425881406 is a wasteful number, since it uses less digits than its factorization.

742425881406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65657 (or 65646 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 742425881406 in words is "seven hundred forty-two billion, four hundred twenty-five million, eight hundred eighty-one thousand, four hundred six".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 25453 40177 50906 76359 80354 120531 152718 241062 279983 441947 559966 839949 883894 1325841 1679898 2651682 3079813 4861417 6159626 9239439 9722834 14584251 18478878 29168502 1022625181 2045250362 3067875543 6135751086 11248876991 22497753982 33746630973 67493261946 123737646901 247475293802 371212940703 742425881406