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130203700 = 225211412887
BaseRepresentation
bin1111100001011…
…00000000110100
3100002000000220021
413300230000310
5231313004300
620530414524
73140466424
oct760540064
9302000807
10130203700
1167550a70
1237731444
1320c8a413
1413414484
15b66dd1a
hex7c2c034

130203700 has 72 divisors (see below), whose sum is σ = 315854784. Its totient is φ = 46176000.

The previous prime is 130203691. The next prime is 130203709. The reversal of 130203700 is 7302031.

130203700 = T19 + T20 + ... + T920.

It is an interprime number because it is at equal distance from previous prime (130203691) and next prime (130203709).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130203709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43657 + ... + 46543.

It is an arithmetic number, because the mean of its divisors is an integer number (4386872).

Almost surely, 2130203700 is an apocalyptic number.

130203700 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 130203700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157927392).

130203700 is an abundant number, since it is smaller than the sum of its proper divisors (185651084).

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

130203700 is a wasteful number, since it uses less digits than its factorization.

130203700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953 (or 2946 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 130203700 is about 11410.6835903902. The cubic root of 130203700 is about 506.8441543077.

Adding to 130203700 its reverse (7302031), we get a palindrome (137505731).

The spelling of 130203700 in words is "one hundred thirty million, two hundred three thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 25 41 44 50 55 82 100 110 164 205 220 275 410 451 550 820 902 1025 1100 1804 2050 2255 2887 4100 4510 5774 9020 11275 11548 14435 22550 28870 31757 45100 57740 63514 72175 118367 127028 144350 158785 236734 288700 317570 473468 591835 635140 793925 1183670 1302037 1587850 2367340 2604074 2959175 3175700 5208148 5918350 6510185 11836700 13020370 26040740 32550925 65101850 130203700