Search a number
-
+
88139288842 = 2114878226553
BaseRepresentation
bin101001000010110000…
…0101101000100001010
322102111120121210021021
41102011200231010022
52421002124220332
6104253550503054
76240113410453
oct1220540550412
9272446553237
1088139288842
113441a370280
12150b9804a8a
138408496667
1443a1b4012a
15245cd2ec97
hex148582d10a

88139288842 has 16 divisors (see below), whose sum is σ = 144524100672. Its totient is φ = 39981042720.

The previous prime is 88139288819. The next prime is 88139288843. The reversal of 88139288842 is 24888293188.

It is a super-3 number, since 3×881392888423 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (88139288843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4102563 + ... + 4123990.

It is an arithmetic number, because the mean of its divisors is an integer number (9032756292).

Almost surely, 288139288842 is an apocalyptic number.

88139288842 is a deficient number, since it is larger than the sum of its proper divisors (56384811830).

88139288842 is a wasteful number, since it uses less digits than its factorization.

88139288842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227053.

The product of its digits is 14155776, while the sum is 61.

The spelling of 88139288842 in words is "eighty-eight billion, one hundred thirty-nine million, two hundred eighty-eight thousand, eight hundred forty-two".

Divisors: 1 2 11 22 487 974 5357 10714 8226553 16453106 90492083 180984166 4006331311 8012662622 44069644421 88139288842