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130472100 = 2233521123191
BaseRepresentation
bin1111100011011…
…01100010100100
3100002111200002000
413301231202210
5231400101400
620540245300
73142665063
oct761554244
9302450060
10130472100
1167714690
1237840830
1321052635
14134841da
15b6c3600
hex7c6d8a4

130472100 has 288 divisors, whose sum is σ = 479969280. Its totient is φ = 30096000.

The previous prime is 130472039. The next prime is 130472113. The reversal of 130472100 is 1274031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 683005 + ... + 683195.

It is an arithmetic number, because the mean of its divisors is an integer number (1666560).

Almost surely, 2130472100 is an apocalyptic number.

130472100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130472100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239984640).

130472100 is an abundant number, since it is smaller than the sum of its proper divisors (349497180).

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

130472100 is a wasteful number, since it uses less digits than its factorization.

130472100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 130472100 is about 11422.4384436949. The cubic root of 130472100 is about 507.1921823157.

The spelling of 130472100 in words is "one hundred thirty million, four hundred seventy-two thousand, one hundred".