Search a number
-
+
31454521045453 = 1141283092463667
BaseRepresentation
bin1110010011011100100111…
…00011011011000111001101
311010101000121122122122000201
413021232103203123013031
513110322324341423303
6150522001341053501
76424341232314442
oct711562343330715
9133330548578021
1031454521045453
11a0278731267a0
12364011b557291
1314721c164a85c
147aa59a90d9c9
1539830e67781d
hex1c9b938db1cd

31454521045453 has 16 divisors (see below), whose sum is σ = 35152206304320. Its totient is φ = 27896582851200.

The previous prime is 31454521045439. The next prime is 31454521045481. The reversal of 31454521045453 is 35454012545413.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31454521045453 - 217 = 31454520914381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31454521045403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11535526 + ... + 13999192.

It is an arithmetic number, because the mean of its divisors is an integer number (2197012894020).

Almost surely, 231454521045453 is an apocalyptic number.

It is an amenable number.

31454521045453 is a deficient number, since it is larger than the sum of its proper divisors (3697685258867).

31454521045453 is a wasteful number, since it uses less digits than its factorization.

31454521045453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492028.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 31454521045453 in words is "thirty-one trillion, four hundred fifty-four billion, five hundred twenty-one million, forty-five thousand, four hundred fifty-three".

Divisors: 1 11 41 451 28309 311399 1160669 2463667 12767359 27100337 101010347 1111113817 69743949103 767183440133 2859501913223 31454521045453