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54743437213 = 1743499150077
BaseRepresentation
bin110010111110111101…
…101000111110011101
312020022011102202012121
4302332331220332131
51344103304442323
641052045502541
73645410352523
oct627675507635
9166264382177
1054743437213
11212422746a3
12a739571a51
1352156cb9ca
1429146c8313
15165601ca5d
hexcbef68f9d

54743437213 has 16 divisors (see below), whose sum is σ = 59430888000. Its totient is φ = 50223833856.

The previous prime is 54743437187. The next prime is 54743437253. The reversal of 54743437213 is 31273434745.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-54743437213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54743437213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54743437253) 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, 289731 + ... + 439807.

It is an arithmetic number, because the mean of its divisors is an integer number (3714430500).

Almost surely, 254743437213 is an apocalyptic number.

It is an amenable number.

54743437213 is a deficient number, since it is larger than the sum of its proper divisors (4687450787).

54743437213 is a wasteful number, since it uses less digits than its factorization.

54743437213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150636.

The product of its digits is 846720, while the sum is 43.

The spelling of 54743437213 in words is "fifty-four billion, seven hundred forty-three million, four hundred thirty-seven thousand, two hundred thirteen".

Divisors: 1 17 43 499 731 8483 21457 150077 364769 2551309 6453311 74888423 109706287 1273103191 3220202189 54743437213