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2054163541 = 13071571663
BaseRepresentation
bin111101001110000…
…0000110001010101
312022011021022122011
41322130000301111
513201331213131
6535455504221
7101622046663
oct17234006125
95264238564
102054163541
11964581521
12493b28071
1326975c8b1
14156b57c33
15c05110b1
hex7a700c55

2054163541 has 4 divisors (see below), whose sum is σ = 2055736512. Its totient is φ = 2052590572.

The previous prime is 2054163539. The next prime is 2054163547. The reversal of 2054163541 is 1453614502.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2054163541 - 21 = 2054163539 is a prime.

It is a super-4 number, since 4×20541635414 (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054163547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784525 + ... + 787138.

It is an arithmetic number, because the mean of its divisors is an integer number (513934128).

Almost surely, 22054163541 is an apocalyptic number.

It is an amenable number.

2054163541 is a deficient number, since it is larger than the sum of its proper divisors (1572971).

2054163541 is a wasteful number, since it uses less digits than its factorization.

2054163541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572970.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2054163541 is about 45322.8809874218. The cubic root of 2054163541 is about 1271.1935255219.

The spelling of 2054163541 in words is "two billion, fifty-four million, one hundred sixty-three thousand, five hundred forty-one".

Divisors: 1 1307 1571663 2054163541