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10302324500 = 2253132121921
BaseRepresentation
bin10011001100001000…
…01111111100010100
3222120222122022101002
421212010033330110
5132044343341000
64422142322432
7513205212326
oct114604177424
928528568332
1010302324500
114407436976
121bb6289418
13c82520300
146da37d616
154046ca8d5
hex26610ff14

10302324500 has 72 divisors (see below), whose sum is σ = 24364404792. Its totient is φ = 3803904000.

The previous prime is 10302324497. The next prime is 10302324503. The reversal of 10302324500 is 542320301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10302324497) and next prime (10302324503).

It can be written as a sum of positive squares in 12 ways, for example, as 9407836036 + 894488464 = 96994^2 + 29908^2 .

It is a super-2 number, since 2×103023245002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302324503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23540 + ... + 145460.

It is an arithmetic number, because the mean of its divisors is an integer number (338394511).

Almost surely, 210302324500 is an apocalyptic number.

10302324500 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 10302324500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12182202396).

10302324500 is an abundant number, since it is smaller than the sum of its proper divisors (14062080292).

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

10302324500 is a wasteful number, since it uses less digits than its factorization.

10302324500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121966 (or 121941 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 10302324500 its reverse (542320301), we get a palindrome (10844644801).

The spelling of 10302324500 in words is "ten billion, three hundred two million, three hundred twenty-four thousand, five hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 125 130 169 250 260 325 338 500 650 676 845 1300 1625 1690 3250 3380 4225 6500 8450 16900 21125 42250 84500 121921 243842 487684 609605 1219210 1584973 2438420 3048025 3169946 6096050 6339892 7924865 12192100 15240125 15849730 20604649 30480250 31699460 39624325 41209298 60960500 79248650 82418596 103023245 158497300 198121625 206046490 396243250 412092980 515116225 792486500 1030232450 2060464900 2575581125 5151162250 10302324500