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130986198 = 23271496977
BaseRepresentation
bin1111100111010…
…11000011010110
3100010110210021200
413303223003112
5232013024243
620555253330
73150235650
oct763530326
9303423250
10130986198
1167a35962
1237a4a246
13211a2635
14135796d0
15b775ad3
hex7ceb0d6

130986198 has 48 divisors (see below), whose sum is σ = 326570400. Its totient is φ = 37168128.

The previous prime is 130986169. The next prime is 130986217. The reversal of 130986198 is 891689031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15286 + ... + 22262.

It is an arithmetic number, because the mean of its divisors is an integer number (6803550).

Almost surely, 2130986198 is an apocalyptic number.

130986198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130986198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163285200).

130986198 is an abundant number, since it is smaller than the sum of its proper divisors (195584202).

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

130986198 is a wasteful number, since it uses less digits than its factorization.

130986198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7141 (or 7138 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 130986198 is about 11444.9201832079. The cubic root of 130986198 is about 507.8574708128.

The spelling of 130986198 in words is "one hundred thirty million, nine hundred eighty-six thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 149 298 447 894 1043 1341 2086 2682 3129 6258 6977 9387 13954 18774 20931 41862 48839 62793 97678 125586 146517 293034 439551 879102 1039573 2079146 3118719 6237438 7277011 9356157 14554022 18712314 21831033 43662066 65493099 130986198