Search a number
-
+
54212785329 = 3192341352239
BaseRepresentation
bin110010011111010101…
…010111010010110001
312011221011220211200010
4302133111113102301
51342011433112304
640523252045133
73626305033503
oct623725272261
9164834824603
1054212785329
1120a9a78201a
12a60b9037a9
13515c7a4001
1428a4033d73
15162464c789
hexc9f5574b1

54212785329 has 16 divisors (see below), whose sum is σ = 79396300800. Its totient is φ = 32750972496.

The previous prime is 54212785309. The next prime is 54212785349. The reversal of 54212785329 is 92358721245.

It is an interprime number because it is at equal distance from previous prime (54212785309) and next prime (54212785349).

It is not a de Polignac number, because 54212785329 - 27 = 54212785201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54212785309) 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, 20674809 + ... + 20677430.

It is an arithmetic number, because the mean of its divisors is an integer number (4962268800).

Almost surely, 254212785329 is an apocalyptic number.

It is an amenable number.

54212785329 is a deficient number, since it is larger than the sum of its proper divisors (25183515471).

54212785329 is a wasteful number, since it uses less digits than its factorization.

54212785329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41352284.

The product of its digits is 1209600, while the sum is 48.

The spelling of 54212785329 in words is "fifty-four billion, two hundred twelve million, seven hundred eighty-five thousand, three hundred twenty-nine".

Divisors: 1 3 19 23 57 69 437 1311 41352239 124056717 785692541 951101497 2357077623 2853304491 18070928443 54212785329