Search a number
-
+
128769092120 = 2353499224147
BaseRepresentation
bin111011111101100111…
…1000110101000011000
3110022101010202122110002
41313323033012220120
54102204341421440
6135053344312132
712206006136434
oct1677317065030
9408333678402
10128769092120
114a679882899
1220b58612648
13c1b1b7b086
146337c119c4
153539c70115
hex1dfb3c6a18

128769092120 has 32 divisors (see below), whose sum is σ = 290560662000. Its totient is φ = 51360044928.

The previous prime is 128769092057. The next prime is 128769092201. The reversal of 128769092120 is 21290967821.

It is a super-3 number, since 3×1287690921203 (a number of 34 digits) contains 333 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, 4598114 + ... + 4626033.

Almost surely, 2128769092120 is an apocalyptic number.

128769092120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128769092120 is an abundant number, since it is smaller than the sum of its proper divisors (161791569880).

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

128769092120 is a wasteful number, since it uses less digits than its factorization.

128769092120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224507 (or 9224503 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 128769092120 in words is "one hundred twenty-eight billion, seven hundred sixty-nine million, ninety-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 349 698 1396 1745 2792 3490 6980 13960 9224147 18448294 36896588 46120735 73793176 92241470 184482940 368965880 3219227303 6438454606 12876909212 16096136515 25753818424 32192273030 64384546060 128769092120