Search a number
-
+
88415889629 is a prime number
BaseRepresentation
bin101001001010111111…
…1110110100011011101
322110012212002120012212
41102111333312203131
52422033431432004
6104341231210205
76250012442654
oct1222577664335
9273185076185
1088415889629
1134551512571
1215176376965
138450890a72
1443ca78219b
15247726a96e
hex1495ff68dd

88415889629 has 2 divisors, whose sum is σ = 88415889630. Its totient is φ = 88415889628.

The previous prime is 88415889563. The next prime is 88415889631. The reversal of 88415889629 is 92698851488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68592657604 + 19823232025 = 261902^2 + 140795^2 .

It is a cyclic number.

It is not a de Polignac number, because 88415889629 - 236 = 19696412893 is a prime.

It is a super-4 number, since 4×884158896294 (a number of 45 digits) contains 4444 as substring.

Together with 88415889631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88415883629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44207944814 + 44207944815.

It is an arithmetic number, because the mean of its divisors is an integer number (44207944815).

Almost surely, 288415889629 is an apocalyptic number.

It is an amenable number.

88415889629 is a deficient number, since it is larger than the sum of its proper divisors (1).

88415889629 is an equidigital number, since it uses as much as digits as its factorization.

88415889629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79626240, while the sum is 68.

The spelling of 88415889629 in words is "eighty-eight billion, four hundred fifteen million, eight hundred eighty-nine thousand, six hundred twenty-nine".