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3885688870 = 25755509841
BaseRepresentation
bin1110011110011010…
…1110100000100110
3101000210121110001121
43213212232200212
530424214020440
61441323444154
7165201544660
oct34746564046
911023543047
103885688870
111714408618
1290538665a
1349c039cab
1428c0b9530
1517b1e534a
hexe79ae826

3885688870 has 16 divisors (see below), whose sum is σ = 7993417248. Its totient is φ = 1332236160.

The previous prime is 3885688853. The next prime is 3885688897. The reversal of 3885688870 is 788865883.

It is a junction number, because it is equal to n+sod(n) for n = 3885688799 and 3885688808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27754851 + ... + 27754990.

It is an arithmetic number, because the mean of its divisors is an integer number (499588578).

Almost surely, 23885688870 is an apocalyptic number.

3885688870 is an abundant number, since it is smaller than the sum of its proper divisors (4107728378).

3885688870 is a wasteful number, since it uses less digits than its factorization.

3885688870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55509855.

The product of its (nonzero) digits is 20643840, while the sum is 61.

The square root of 3885688870 is about 62335.2939352980. The cubic root of 3885688870 is about 1572.1332071747.

The spelling of 3885688870 in words is "three billion, eight hundred eighty-five million, six hundred eighty-eight thousand, eight hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 55509841 111019682 277549205 388568887 555098410 777137774 1942844435 3885688870