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10719719988 = 22317891274649
BaseRepresentation
bin10011111101111000…
…11111001000110100
31000200002001012100020
421332330133020310
5133423222014423
64531412445140
7526434054645
oct117674371064
930602035306
1010719719988
11460100331a
1220b20197b0
13101ab426a3
147399916cc
1542b1784e3
hex27ef1f234

10719719988 has 96 divisors (see below), whose sum is σ = 26998272000. Its totient is φ = 3298369536.

The previous prime is 10719719977. The next prime is 10719720041. The reversal of 10719719988 is 88991791701.

It is a super-2 number, since 2×107197199882 (a number of 21 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 31 ways as a sum of consecutive naturals, for example, 2303488 + ... + 2308136.

It is an arithmetic number, because the mean of its divisors is an integer number (281232000).

Almost surely, 210719719988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10719719988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13499136000).

10719719988 is an abundant number, since it is smaller than the sum of its proper divisors (16278552012).

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

10719719988 is a wasteful number, since it uses less digits than its factorization.

10719719988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889 (or 4887 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 60.

The spelling of 10719719988 in words is "ten billion, seven hundred nineteen million, seven hundred nineteen thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 89 102 127 178 204 254 267 356 381 508 534 762 1068 1513 1524 2159 3026 4318 4539 4649 6052 6477 8636 9078 9298 11303 12954 13947 18156 18596 22606 25908 27894 33909 45212 55788 67818 79033 135636 158066 192151 237099 316132 384302 413761 474198 576453 590423 768604 827522 948396 1152906 1180846 1241283 1655044 1771269 2305812 2361692 2482566 3542538 4965132 7033937 7085076 10037191 14067874 20074382 21101811 28135748 30111573 40148764 42203622 52547647 60223146 84407244 105095294 120446292 157642941 210190588 315285882 630571764 893309999 1786619998 2679929997 3573239996 5359859994 10719719988