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1383910913 = 711711631553
BaseRepresentation
bin101001001111100…
…1100111000000001
310120110001221212202
41102133030320001
510313240122123
6345154002545
746203022460
oct12237147001
93513057782
101383910913
116501aa830
12327576455
131909374c8
14d1b249d7
1581767a28
hex527cce01

1383910913 has 32 divisors (see below), whose sum is σ = 1761564672. Its totient is φ = 1055980800.

The previous prime is 1383910907. The next prime is 1383910933. The reversal of 1383910913 is 3190193831.

It is not a de Polignac number, because 1383910913 - 220 = 1382862337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1383910933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 890345 + ... + 891897.

It is an arithmetic number, because the mean of its divisors is an integer number (55048896).

Almost surely, 21383910913 is an apocalyptic number.

It is an amenable number.

1383910913 is a deficient number, since it is larger than the sum of its proper divisors (377653759).

1383910913 is a wasteful number, since it uses less digits than its factorization.

1383910913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1383910913 is about 37200.9531195103. The cubic root of 1383910913 is about 1114.3870193415.

The spelling of 1383910913 in words is "one billion, three hundred eighty-three million, nine hundred ten thousand, nine hundred thirteen".

Divisors: 1 7 11 71 77 163 497 781 1141 1553 1793 5467 10871 11573 12551 17083 81011 110263 119581 127303 253139 771841 891121 1212893 1771973 2784529 8490251 17972869 19491703 125810083 197701559 1383910913