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1389214599406 = 21913636687433
BaseRepresentation
bin10100001101110011101…
…001001000100011101110
311220210210202100200021121
4110031303221020203232
5140230102414140111
62542110230051154
7202240014155314
oct24156351104356
94823722320247
101389214599406
11496187474187
121a52a51a9aba
13a10052a8a2a
144b34a03c0b4
152620b360871
hex14373a488ee

1389214599406 has 8 divisors (see below), whose sum is σ = 2094731961984. Its totient is φ = 690970612080.

The previous prime is 1389214599401. The next prime is 1389214599407. The reversal of 1389214599406 is 6049954129831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389214599401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1818343335 + ... + 1818344098.

It is an arithmetic number, because the mean of its divisors is an integer number (261841495248).

Almost surely, 21389214599406 is an apocalyptic number.

1389214599406 is a deficient number, since it is larger than the sum of its proper divisors (705517362578).

1389214599406 is a wasteful number, since it uses less digits than its factorization.

1389214599406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636687626.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 1389214599406 in words is "one trillion, three hundred eighty-nine billion, two hundred fourteen million, five hundred ninety-nine thousand, four hundred six".

Divisors: 1 2 191 382 3636687433 7273374866 694607299703 1389214599406