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6713028405 = 325194976541
BaseRepresentation
bin1100100000010000…
…01010111100110101
3122022211202011202200
412100020022330311
5102222013402110
63030043255113
7325232541246
oct62010127465
918284664680
106713028405
112935369666
12137421a499
1382ca1a275
144797b8ccd
152945306c0
hex19020af35

6713028405 has 24 divisors (see below), whose sum is σ = 11642038200. Its totient is φ = 3578398080.

The previous prime is 6713028401. The next prime is 6713028433. The reversal of 6713028405 is 5048203176.

It can be written as a sum of positive squares in 4 ways, for example, as 675272196 + 6037756209 = 25986^2 + 77703^2 .

It is not a de Polignac number, because 6713028405 - 22 = 6713028401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6713028405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6713028401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49435 + ... + 125975.

It is an arithmetic number, because the mean of its divisors is an integer number (485084925).

Almost surely, 26713028405 is an apocalyptic number.

It is an amenable number.

6713028405 is a deficient number, since it is larger than the sum of its proper divisors (4929009795).

6713028405 is a wasteful number, since it uses less digits than its factorization.

6713028405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78501 (or 78498 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 6713028405 is about 81933.0727179202. The cubic root of 6713028405 is about 1886.4247899030.

The spelling of 6713028405 in words is "six billion, seven hundred thirteen million, twenty-eight thousand, four hundred five".

Divisors: 1 3 5 9 15 45 1949 5847 9745 17541 29235 76541 87705 229623 382705 688869 1148115 3444345 149178409 447535227 745892045 1342605681 2237676135 6713028405