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2148929319 = 317291452961
BaseRepresentation
bin1000000000010110…
…0000111100100111
312112202120220211210
42000011200330213
513400111214234
6553123002503
7104152412025
oct20005407447
95482526753
102148929319
11a03018449
124bb809433
1328328cb14
14165585715
15c89cebe9
hex80160f27

2148929319 has 16 divisors (see below), whose sum is σ = 3138397920. Its totient is φ = 1301852160.

The previous prime is 2148929291. The next prime is 2148929339. The reversal of 2148929319 is 9139298412.

It is not a de Polignac number, because 2148929319 - 28 = 2148929063 is a prime.

It is a super-2 number, since 2×21489293192 = 9235794436115607522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148929339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725002 + ... + 727959.

It is an arithmetic number, because the mean of its divisors is an integer number (196149870).

Almost surely, 22148929319 is an apocalyptic number.

2148929319 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2148929319 is a deficient number, since it is larger than the sum of its proper divisors (989468601).

2148929319 is a wasteful number, since it uses less digits than its factorization.

2148929319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453010.

The product of its digits is 279936, while the sum is 48.

The square root of 2148929319 is about 46356.5455895928. The cubic root of 2148929319 is about 1290.4485988637.

The spelling of 2148929319 in words is "two billion, one hundred forty-eight million, nine hundred twenty-nine thousand, three hundred nineteen".

Divisors: 1 3 17 29 51 87 493 1479 1452961 4358883 24700337 42135869 74101011 126407607 716309773 2148929319