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689314299352 = 23747681258157
BaseRepresentation
bin10100000011111100101…
…01010111110111011000
32102220020111110120011021
422001332111113313120
542243203430034402
61244355553412224
7100541564604220
oct12017625276730
92386214416137
10689314299352
11246377a51638
12b1715b6a074
13500046a8b53
142551208b080
1512de5dedd37
hexa07e557dd8

689314299352 has 32 divisors (see below), whose sum is σ = 1477138770720. Its totient is φ = 295413073920.

The previous prime is 689314299307. The next prime is 689314299389. The reversal of 689314299352 is 253992413986.

It is a super-2 number, since 2×6893142993522 (a number of 24 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, 2541058 + ... + 2799214.

It is an arithmetic number, because the mean of its divisors is an integer number (46160586585).

Almost surely, 2689314299352 is an apocalyptic number.

It is an amenable number.

689314299352 is an abundant number, since it is smaller than the sum of its proper divisors (787824471368).

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

689314299352 is a wasteful number, since it uses less digits than its factorization.

689314299352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305851 (or 305847 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 61.

The spelling of 689314299352 in words is "six hundred eighty-nine billion, three hundred fourteen million, two hundred ninety-nine thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 47681 95362 190724 258157 333767 381448 516314 667534 1032628 1335068 1807099 2065256 2670136 3614198 7228396 14456792 12309183917 24618367834 49236735668 86164287419 98473471336 172328574838 344657149676 689314299352