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5028678938 = 22986701361
BaseRepresentation
bin1001010111011101…
…11000110100011010
3110222110100100200002
410223232320310122
540244320211223
62150554013002
7235421031353
oct45356706432
913873310602
105028678938
112150615a08
12b84117162
13621a9048a
14359c08d2a
151e671de28
hex12bbb8d1a

5028678938 has 8 divisors (see below), whose sum is σ = 7803122580. Its totient is φ = 2427638080.

The previous prime is 5028678937. The next prime is 5028678983. The reversal of 5028678938 is 8398768205.

It can be written as a sum of positive squares in 2 ways, for example, as 4378071889 + 650607049 = 66167^2 + 25507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×50286789382 = 50575223722969615688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5028678937) 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, 43350623 + ... + 43350738.

Almost surely, 25028678938 is an apocalyptic number.

5028678938 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5028678938 is a deficient number, since it is larger than the sum of its proper divisors (2774443642).

5028678938 is a wasteful number, since it uses less digits than its factorization.

5028678938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86701392.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The square root of 5028678938 is about 70913.1788738878. The cubic root of 5028678938 is about 1713.2390686916.

The spelling of 5028678938 in words is "five billion, twenty-eight million, six hundred seventy-eight thousand, nine hundred thirty-eight".

Divisors: 1 2 29 58 86701361 173402722 2514339469 5028678938