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5405630051 = 26920095279
BaseRepresentation
bin1010000100011001…
…10101111001100011
3111221201122110101102
411002030311321203
542032320130201
62252221225015
7250646045243
oct50214657143
914851573342
105405630051
112324378958
12106a40216b
13681bc1983
14393ccdb23
1521987d26b
hex142335e63

5405630051 has 4 divisors (see below), whose sum is σ = 5425725600. Its totient is φ = 5385534504.

The previous prime is 5405630047. The next prime is 5405630077. The reversal of 5405630051 is 1500365045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1500365045 = 5300073009.

It is a cyclic number.

It is not a de Polignac number, because 5405630051 - 22 = 5405630047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5405629996 and 5405630023.

It is not an unprimeable number, because it can be changed into a prime (5405630081) 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, 10047371 + ... + 10047908.

It is an arithmetic number, because the mean of its divisors is an integer number (1356431400).

Almost surely, 25405630051 is an apocalyptic number.

5405630051 is a deficient number, since it is larger than the sum of its proper divisors (20095549).

5405630051 is a wasteful number, since it uses less digits than its factorization.

5405630051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20095548.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 5405630051 is about 73522.9899487228. The cubic root of 5405630051 is about 1755.0201485229.

Adding to 5405630051 its reverse (1500365045), we get a palindrome (6905995096).

The spelling of 5405630051 in words is "five billion, four hundred five million, six hundred thirty thousand, fifty-one".

Divisors: 1 269 20095279 5405630051