Search a number
-
+
57019136890 = 255701913689
BaseRepresentation
bin110101000110100110…
…101111101101111010
312110011202120021021211
4311012212233231322
51413233344340030
642105541553334
74055662444462
oct650646575572
9173152507254
1057019136890
11221aa8a8531
12b07371584a
1354b9016271
142a8ca2cba2
15173abde12a
hexd469afb7a

57019136890 has 8 divisors (see below), whose sum is σ = 102634446420. Its totient is φ = 22807654752.

The previous prime is 57019136887. The next prime is 57019136893. The reversal of 57019136890 is 9863191075.

It is an interprime number because it is at equal distance from previous prime (57019136887) and next prime (57019136893).

It can be written as a sum of positive squares in 2 ways, for example, as 51619385601 + 5399751289 = 227199^2 + 73483^2 .

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

It is not an unprimeable number, because it can be changed into a prime (57019136893) 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, 2850956835 + ... + 2850956854.

Almost surely, 257019136890 is an apocalyptic number.

57019136890 is a deficient number, since it is larger than the sum of its proper divisors (45615309530).

57019136890 is a wasteful number, since it uses less digits than its factorization.

57019136890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701913696.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 57019136890 in words is "fifty-seven billion, nineteen million, one hundred thirty-six thousand, eight hundred ninety".

Divisors: 1 2 5 10 5701913689 11403827378 28509568445 57019136890