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10650542500 = 2254131737521
BaseRepresentation
bin10011110101101001…
…00110000110100100
31000111020212121200001
421322310212012210
5133303014330000
64520502031044
7524634055213
oct117264460644
930436777601
1010650542500
114575a54244
122092a18484
131009701370
1473070507a
1542506146a
hex27ad261a4

10650542500 has 240 divisors, whose sum is σ = 27327739824. Its totient is φ = 3594240000.

The previous prime is 10650542467. The next prime is 10650542503. The reversal of 10650542500 is 524505601.

It can be written as a sum of positive squares in 40 ways, for example, as 10170319104 + 480223396 = 100848^2 + 21914^2 .

It is a super-2 number, since 2×106505425002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10650542503) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20442240 + ... + 20442760.

Almost surely, 210650542500 is an apocalyptic number.

10650542500 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 10650542500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13663869912).

10650542500 is an abundant number, since it is smaller than the sum of its proper divisors (16677197324).

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

10650542500 is a wasteful number, since it uses less digits than its factorization.

10650542500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 10650542500 in words is "ten billion, six hundred fifty million, five hundred forty-two thousand, five hundred".