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130641398 = 265320699
BaseRepresentation
bin1111100100101…
…10110111110110
3100002211021022022
413302112313312
5231421011043
620544033142
73144301466
oct762266766
9302737268
10130641398
116781a8a8
12379027b2
13210b1704
14134c9ba6
15b708868
hex7c96df6

130641398 has 4 divisors (see below), whose sum is σ = 195962100. Its totient is φ = 65320698.

The previous prime is 130641391. The next prime is 130641437. The reversal of 130641398 is 893146031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 893146031 = 2930798139.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130641391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32660348 + ... + 32660351.

It is an arithmetic number, because the mean of its divisors is an integer number (48990525).

Almost surely, 2130641398 is an apocalyptic number.

130641398 is a deficient number, since it is larger than the sum of its proper divisors (65320702).

130641398 is an equidigital number, since it uses as much as digits as its factorization.

130641398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65320701.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 130641398 is about 11429.8468056225. The cubic root of 130641398 is about 507.4114616590.

The spelling of 130641398 in words is "one hundred thirty million, six hundred forty-one thousand, three hundred ninety-eight".

Divisors: 1 2 65320699 130641398