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88381020881429 is a prime number
BaseRepresentation
bin10100000110000111001111…
…010110101100001000010101
3102120221010212022020200021122
4110012013033112230020111
543041013312321201204
6511545402552253325
724421214042154443
oct2406071726541025
9376833768220248
1088381020881429
11261851a9221011
129ab4a010a1245
133a413aa058623
1417b7942935b93
15a33ed6e850be
hex5061cf5ac215

88381020881429 has 2 divisors, whose sum is σ = 88381020881430. Its totient is φ = 88381020881428.

The previous prime is 88381020881333. The next prime is 88381020881441. The reversal of 88381020881429 is 92418802018388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70185890800804 + 18195130080625 = 8377702^2 + 4265575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88381020881429 is a prime.

It is a super-2 number, since 2×883810208814292 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88381020881729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44190510440714 + 44190510440715.

It is an arithmetic number, because the mean of its divisors is an integer number (44190510440715).

Almost surely, 288381020881429 is an apocalyptic number.

It is an amenable number.

88381020881429 is a deficient number, since it is larger than the sum of its proper divisors (1).

88381020881429 is an equidigital number, since it uses as much as digits as its factorization.

88381020881429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14155776, while the sum is 62.

The spelling of 88381020881429 in words is "eighty-eight trillion, three hundred eighty-one billion, twenty million, eight hundred eighty-one thousand, four hundred twenty-nine".