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1389842302494 = 238915716577713
BaseRepresentation
bin10100001110011001000…
…011101000011000011110
311220212102111111022001010
4110032121003220120132
5140232344112134434
62542252412000050
7202261405435422
oct24163103503036
94825374438033
101389842302494
11496479823868
121a543b460026
13a10a5353c89
144b3a9556b82
15262465019e9
hex143990e861e

1389842302494 has 32 divisors (see below), whose sum is σ = 2828821116960. Its totient is φ = 455157660672.

The previous prime is 1389842302483. The next prime is 1389842302507. The reversal of 1389842302494 is 4942032489831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8205019 + ... + 8372694.

It is an arithmetic number, because the mean of its divisors is an integer number (88400659905).

Almost surely, 21389842302494 is an apocalyptic number.

1389842302494 is an abundant number, since it is smaller than the sum of its proper divisors (1438978814466).

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

1389842302494 is a wasteful number, since it uses less digits than its factorization.

1389842302494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16577964.

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 1389842302494 in words is "one trillion, three hundred eighty-nine billion, eight hundred forty-two million, three hundred two thousand, four hundred ninety-four".

Divisors: 1 2 3 6 89 157 178 267 314 471 534 942 13973 27946 41919 83838 16577713 33155426 49733139 99466278 1475416457 2602700941 2950832914 4426249371 5205401882 7808102823 8852498742 15616205646 231640383749 463280767498 694921151247 1389842302494