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1389001276374 = 231831126433759
BaseRepresentation
bin10100001101100110111…
…011010111101111010110
311220210020212221202002120
4110031212323113233112
5140224133311320444
62542033125520410
7202231514021265
oct24154673275726
94823225852076
101389001276374
11496088011458
121a5245873106
13a0ca003849a
144b32998c5dc
15261e7773b19
hex14366ed7bd6

1389001276374 has 16 divisors (see below), whose sum is σ = 2779519779840. Its totient is φ = 462747554280.

The previous prime is 1389001276321. The next prime is 1389001276423. The reversal of 1389001276374 is 4736721009831.

It is a happy number.

It is a super-2 number, since 2×13890012763742 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63205894 + ... + 63227865.

It is an arithmetic number, because the mean of its divisors is an integer number (173719986240).

Almost surely, 21389001276374 is an apocalyptic number.

1389001276374 is an abundant number, since it is smaller than the sum of its proper divisors (1390518503466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1389001276374 is a wasteful number, since it uses less digits than its factorization.

1389001276374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126435595.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 1389001276374 in words is "one trillion, three hundred eighty-nine billion, one million, two hundred seventy-six thousand, three hundred seventy-four".

Divisors: 1 2 3 6 1831 3662 5493 10986 126433759 252867518 379301277 758602554 231500212729 463000425458 694500638187 1389001276374