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109872688508 = 221121757723143
BaseRepresentation
bin110011001010011101…
…1000010110101111100
3101111121012211212211122
41212110323002311330
53300004402013013
6122250321010112
710636514304632
oct1462473026574
9344535755748
10109872688508
11426622a5100
1219364183938
13a49001306b
145464323352
152cd0d4aa08
hex1994ec2d7c

109872688508 has 72 divisors (see below), whose sum is σ = 224175653856. Its totient is φ = 46920867840.

The previous prime is 109872688507. The next prime is 109872688543. The reversal of 109872688508 is 805886278901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109872688507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4735985 + ... + 4759127.

It is an arithmetic number, because the mean of its divisors is an integer number (3113550748).

Almost surely, 2109872688508 is an apocalyptic number.

It is an amenable number.

109872688508 is an abundant number, since it is smaller than the sum of its proper divisors (114302965348).

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

109872688508 is a wasteful number, since it uses less digits than its factorization.

109872688508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23763 (or 23750 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 62.

The spelling of 109872688508 in words is "one hundred nine billion, eight hundred seventy-two million, six hundred eighty-eight thousand, five hundred eight".

Divisors: 1 2 4 11 17 22 34 44 68 121 187 242 374 484 577 748 1154 2057 2308 4114 6347 8228 9809 12694 19618 23143 25388 39236 46286 69817 92572 107899 139634 215798 254573 279268 393431 431596 509146 786862 1018292 1186889 1573724 2373778 2800303 4327741 4747556 5600606 8655482 11201212 13353511 17310964 26707022 47605151 53414044 95210302 146888621 190420604 227009687 293777242 454019374 587554484 908038748 1615774831 2497106557 3231549662 4994213114 6463099324 9988426228 27468172127 54936344254 109872688508