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1319906441 = 71731796089
BaseRepresentation
bin100111010101100…
…0010110010001001
310101222122012020202
41032223002302021
510200344001231
6334550101545
744465006510
oct11653026211
93358565222
101319906441
11618064277
1230a04a8b5
131805b7939
14c7423677
157ad235cb
hex4eac2c89

1319906441 has 16 divisors (see below), whose sum is σ = 1525910400. Its totient is φ = 1118341248.

The previous prime is 1319906431. The next prime is 1319906479. The reversal of 1319906441 is 1446099131.

It is a cyclic number.

It is not a de Polignac number, because 1319906441 - 226 = 1252797577 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1319906395 and 1319906404.

It is not an unprimeable number, because it can be changed into a prime (1319906411) 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, 213725 + ... + 219813.

It is an arithmetic number, because the mean of its divisors is an integer number (95369400).

Almost surely, 21319906441 is an apocalyptic number.

It is an amenable number.

1319906441 is a deficient number, since it is larger than the sum of its proper divisors (206003959).

1319906441 is a wasteful number, since it uses less digits than its factorization.

1319906441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1319906441 is about 36330.5166629928. The cubic root of 1319906441 is about 1096.9353930552.

The spelling of 1319906441 in words is "one billion, three hundred nineteen million, nine hundred six thousand, four hundred forty-one".

Divisors: 1 7 173 179 1211 1253 6089 30967 42623 216769 1053397 1089931 7373779 7629517 188558063 1319906441