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1390163890270 = 25821169325687
BaseRepresentation
bin10100001110101100001…
…110011001000001011110
311220220020220121122112111
4110032230032121001132
5140234023423442040
62542344340424234
7202302362046211
oct24165416310136
94826226548474
101390163890270
11496624302491
121a550b0a807a
13a1126b6cabc
144b3da149778
1526264876dea
hex143ac39905e

1390163890270 has 16 divisors (see below), whose sum is σ = 2505342879648. Its totient is φ = 555388250080.

The previous prime is 1390163890189. The next prime is 1390163890273. The reversal of 1390163890270 is 720983610931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390163890273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84654634 + ... + 84671053.

It is an arithmetic number, because the mean of its divisors is an integer number (156583929978).

Almost surely, 21390163890270 is an apocalyptic number.

1390163890270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1390163890270 is a deficient number, since it is larger than the sum of its proper divisors (1115178989378).

1390163890270 is a wasteful number, since it uses less digits than its factorization.

1390163890270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169326515.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 1390163890270 in words is "one trillion, three hundred ninety billion, one hundred sixty-three million, eight hundred ninety thousand, two hundred seventy".

Divisors: 1 2 5 10 821 1642 4105 8210 169325687 338651374 846628435 1693256870 139016389027 278032778054 695081945135 1390163890270