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11708131620 = 2235359543553
BaseRepresentation
bin10101110011101101…
…11110100100100100
31010012221220201012110
422321312332210210
5142434240202440
65213441521020
7563065322343
oct127166764444
933187821173
1011708131620
114a68a31639
122329043170
131147853043
147d0d63b5a
15487d1b080
hex2b9dbe924

11708131620 has 48 divisors (see below), whose sum is σ = 32874145920. Its totient is φ = 3113465856.

The previous prime is 11708131583. The next prime is 11708131621. The reversal of 11708131620 is 2613180711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (11708131621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250237 + ... + 293316.

It is an arithmetic number, because the mean of its divisors is an integer number (684878040).

Almost surely, 211708131620 is an apocalyptic number.

11708131620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11708131620 is an abundant number, since it is smaller than the sum of its proper divisors (21166014300).

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

11708131620 is a wasteful number, since it uses less digits than its factorization.

11708131620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543924 (or 543922 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The spelling of 11708131620 in words is "eleven billion, seven hundred eight million, one hundred thirty-one thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 359 718 1077 1436 1795 2154 3590 4308 5385 7180 10770 21540 543553 1087106 1630659 2174212 2717765 3261318 5435530 6522636 8153295 10871060 16306590 32613180 195135527 390271054 585406581 780542108 975677635 1170813162 1951355270 2341626324 2927032905 3902710540 5854065810 11708131620