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389999996906694 = 23119790754261307
BaseRepresentation
bin101100010101100111111001…
…1010001110010110011000110
31220010212122011100012201002120
41120223033303101302303012
5402104224443202003234
63501243305235350410
7145101366330052446
oct13053176321626306
91803778140181076
10389999996906694
111032a2084a7a629
12378a8741a52406
131397cac387b595
146c44159d52126
153014bdccc9049
hex162b3f3472cc6

389999996906694 has 16 divisors (see below), whose sum is σ = 780000659323968. Its totient is φ = 129999888050472.

The previous prime is 389999996906657. The next prime is 389999996906713. The reversal of 389999996906694 is 496609699999983.

It is a junction number, because it is equal to n+sod(n) for n = 389999996906592 and 389999996906601.

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, 19943212 + ... + 34318095.

It is an arithmetic number, because the mean of its divisors is an integer number (48750041207748).

Almost surely, 2389999996906694 is an apocalyptic number.

389999996906694 is an abundant number, since it is smaller than the sum of its proper divisors (390000662417274).

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

389999996906694 is a wasteful number, since it uses less digits than its factorization.

389999996906694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55459219.

The product of its (nonzero) digits is 892616806656, while the sum is 105.

The spelling of 389999996906694 in words is "three hundred eighty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, nine hundred six thousand, six hundred ninety-four".

Divisors: 1 2 3 6 1197907 2395814 3593721 7187442 54261307 108522614 162783921 325567842 64999999484449 129999998968898 194999998453347 389999996906694