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1388701413 = 321114027287
BaseRepresentation
bin101001011000101…
…1110011011100101
310120210002100012200
41102301132123211
510321001421123
6345444405113
746261524111
oct12261363345
93523070180
101388701413
11652981a20
123290a6799
13191923b18
14d2610741
1581db2143
hex52c5e6e5

1388701413 has 12 divisors (see below), whose sum is σ = 2188256928. Its totient is φ = 841637160.

The previous prime is 1388701403. The next prime is 1388701493. The reversal of 1388701413 is 3141078831.

It is not a de Polignac number, because 1388701413 - 25 = 1388701381 is a prime.

It is a super-2 number, since 2×13887014132 = 3856983228936393138, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388701403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7013545 + ... + 7013742.

It is an arithmetic number, because the mean of its divisors is an integer number (182354744).

Almost surely, 21388701413 is an apocalyptic number.

It is an amenable number.

1388701413 is a deficient number, since it is larger than the sum of its proper divisors (799555515).

1388701413 is a wasteful number, since it uses less digits than its factorization.

1388701413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14027304 (or 14027301 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1388701413 is about 37265.2842871217. The cubic root of 1388701413 is about 1115.6713801964.

The spelling of 1388701413 in words is "one billion, three hundred eighty-eight million, seven hundred one thousand, four hundred thirteen".

Divisors: 1 3 9 11 33 99 14027287 42081861 126245583 154300157 462900471 1388701413