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188101130 = 25723116833
BaseRepresentation
bin10110011011000…
…11001000001010
3111002221112020112
423031203020022
5341123214010
630355354322
74442555540
oct1315431012
9432845215
10188101130
11971a6188
1252bb29a2
132cc7c359
141ada5d90
15117a8a05
hexb36320a

188101130 has 32 divisors (see below), whose sum is σ = 403778304. Its totient is φ = 61687296.

The previous prime is 188101129. The next prime is 188101181. The reversal of 188101130 is 31101881.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 188101096 and 188101105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56807 + ... + 60026.

It is an arithmetic number, because the mean of its divisors is an integer number (12618072).

Almost surely, 2188101130 is an apocalyptic number.

188101130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188101130 is an abundant number, since it is smaller than the sum of its proper divisors (215677174).

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

188101130 is a wasteful number, since it uses less digits than its factorization.

188101130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116870.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 188101130 is about 13714.9965366383. The cubic root of 188101130 is about 572.9681328326.

The spelling of 188101130 in words is "one hundred eighty-eight million, one hundred one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 116833 233666 584165 817831 1168330 1635662 2687159 4089155 5374318 8178310 13435795 18810113 26871590 37620226 94050565 188101130