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1339877643 = 31334355837
BaseRepresentation
bin100111111011100…
…1110100100001011
310110101012211120220
41033313032210023
510221002041033
6340542121123
745126525546
oct11767164413
93411184526
101339877643
116283649a5
123148801a3
1318478ac10
14c9d4185d
157c96abb3
hex4fdce90b

1339877643 has 8 divisors (see below), whose sum is σ = 1923926928. Its totient is φ = 824540064.

The previous prime is 1339877621. The next prime is 1339877657. The reversal of 1339877643 is 3467789331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1339877643 - 25 = 1339877611 is a prime.

It is a super-2 number, since 2×13398776432 = 3590544196422470898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1339870643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17177880 + ... + 17177957.

It is an arithmetic number, because the mean of its divisors is an integer number (240490866).

Almost surely, 21339877643 is an apocalyptic number.

1339877643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1339877643 is a deficient number, since it is larger than the sum of its proper divisors (584049285).

1339877643 is a wasteful number, since it uses less digits than its factorization.

1339877643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34355853.

The product of its digits is 2286144, while the sum is 51.

The square root of 1339877643 is about 36604.3391280323. The cubic root of 1339877643 is about 1102.4402143628.

The spelling of 1339877643 in words is "one billion, three hundred thirty-nine million, eight hundred seventy-seven thousand, six hundred forty-three".

Divisors: 1 3 13 39 34355837 103067511 446625881 1339877643