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2054215136 = 25371978807
BaseRepresentation
bin111101001110000…
…1101010111100000
312022011100221102002
41322130031113200
513201334341021
6535500543132
7101622353261
oct17234152740
95264327362
102054215136
11964607266
12493b51aa8
1326977a21c
14156b6c968
15c052150b
hex7a70d5e0

2054215136 has 48 divisors (see below), whose sum is σ = 4175097696. Its totient is φ = 994162176.

The previous prime is 2054215133. The next prime is 2054215139. The reversal of 2054215136 is 6315124502.

It is an interprime number because it is at equal distance from previous prime (2054215133) and next prime (2054215139).

It is a junction number, because it is equal to n+sod(n) for n = 2054215099 and 2054215108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054215133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228845 + ... + 237651.

It is an arithmetic number, because the mean of its divisors is an integer number (86981202).

Almost surely, 22054215136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2054215136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2087548848).

2054215136 is an abundant number, since it is smaller than the sum of its proper divisors (2120882560).

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

2054215136 is a wasteful number, since it uses less digits than its factorization.

2054215136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9051 (or 9043 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2054215136 is about 45323.4501775847. The cubic root of 2054215136 is about 1271.2041684072.

Adding to 2054215136 its reverse (6315124502), we get a palindrome (8369339638).

The spelling of 2054215136 in words is "two billion, fifty-four million, two hundred fifteen thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 37 74 148 197 296 394 592 788 1184 1576 3152 6304 7289 8807 14578 17614 29156 35228 58312 70456 116624 140912 233248 281824 325859 651718 1303436 1734979 2606872 3469958 5213744 6939916 10427488 13879832 27759664 55519328 64194223 128388446 256776892 513553784 1027107568 2054215136