Search a number
-
+
88136790047 = 267773291511
BaseRepresentation
bin101001000010101011…
…1001011000000011111
322102111101220211120022
41102011113023000133
52421001004240142
6104253421142355
76240053232365
oct1220527130037
9272441824508
1088136790047
1134418a13959
12150b89ba9bb
138407b00197
1443a168d635
15245c9d96d2
hex14855cb01f

88136790047 has 4 divisors (see below), whose sum is σ = 88140108336. Its totient is φ = 88133471760.

The previous prime is 88136790023. The next prime is 88136790179. The reversal of 88136790047 is 74009763188.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88136790047 - 222 = 88132595743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88136798047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618979 + ... + 1672532.

It is an arithmetic number, because the mean of its divisors is an integer number (22035027084).

Almost surely, 288136790047 is an apocalyptic number.

88136790047 is a deficient number, since it is larger than the sum of its proper divisors (3318289).

88136790047 is a wasteful number, since it uses less digits than its factorization.

88136790047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318288.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 88136790047 in words is "eighty-eight billion, one hundred thirty-six million, seven hundred ninety thousand, forty-seven".

Divisors: 1 26777 3291511 88136790047