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1319970158 = 213142935527
BaseRepresentation
bin100111010101101…
…0010010101101110
310101222202102122122
41032223102111232
510200403021113
6334551312542
744465363333
oct11653222556
93358672578
101319970158
116180a8131
1230a07b752
1318060a940
14c743c98a
157ad37408
hex4ead256e

1319970158 has 16 divisors (see below), whose sum is σ = 2133811680. Its totient is φ = 608773536.

The previous prime is 1319970143. The next prime is 1319970167. The reversal of 1319970158 is 8510799131.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19391 + ... + 54917.

It is an arithmetic number, because the mean of its divisors is an integer number (133363230).

Almost surely, 21319970158 is an apocalyptic number.

1319970158 is a deficient number, since it is larger than the sum of its proper divisors (813841522).

1319970158 is a wasteful number, since it uses less digits than its factorization.

1319970158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36971.

The product of its (nonzero) digits is 68040, while the sum is 44.

The square root of 1319970158 is about 36331.3935598402. The cubic root of 1319970158 is about 1096.9530438789.

The spelling of 1319970158 in words is "one billion, three hundred nineteen million, nine hundred seventy thousand, one hundred fifty-eight".

Divisors: 1 2 13 26 1429 2858 18577 35527 37154 71054 461851 923702 50768083 101536166 659985079 1319970158