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100455477943 is a prime number
BaseRepresentation
bin101110110001110011…
…1001111001010110111
3100121021220201000112011
41131203213033022313
53121213100243233
6114052033305051
710154244321352
oct1354347171267
9317256630464
10100455477943
113966a553457
1217576405187
13961bca6912
144c0d747299
15292e20b0cd
hex17639cf2b7

100455477943 has 2 divisors, whose sum is σ = 100455477944. Its totient is φ = 100455477942.

The previous prime is 100455477931. The next prime is 100455477949. The reversal of 100455477943 is 349774554001.

It is a strong prime.

It is an emirp because it is prime and its reverse (349774554001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100455477943 - 25 = 100455477911 is a prime.

It is a super-2 number, since 2×1004554779432 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100455477949) 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, 50227738971 + 50227738972.

It is an arithmetic number, because the mean of its divisors is an integer number (50227738972).

Almost surely, 2100455477943 is an apocalyptic number.

100455477943 is a deficient number, since it is larger than the sum of its proper divisors (1).

100455477943 is an equidigital number, since it uses as much as digits as its factorization.

100455477943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 100455477943 in words is "one hundred billion, four hundred fifty-five million, four hundred seventy-seven thousand, nine hundred forty-three".