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10531130100 = 2235246176147
BaseRepresentation
bin10011100111011010…
…00100101011110100
31000011221011211122120
421303231010223310
5133031432130400
64500554355540
7521654062131
oct116355045364
930157154576
1010531130100
114514603a07
12205aa2bbb0
13cbaa51a3a
1471c8dd588
15419824ca0
hex273b44af4

10531130100 has 72 divisors (see below), whose sum is σ = 30536566368. Its totient is φ = 2802172800.

The previous prime is 10531130023. The next prime is 10531130119. The reversal of 10531130100 is 103113501.

It is a super-2 number, since 2×105311301002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10531130100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100227 + ... + 176373.

Almost surely, 210531130100 is an apocalyptic number.

10531130100 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 10531130100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15268283184).

10531130100 is an abundant number, since it is smaller than the sum of its proper divisors (20005436268).

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

10531130100 is a wasteful number, since it uses less digits than its factorization.

10531130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76625 (or 76618 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 15.

Adding to 10531130100 its reverse (103113501), we get a palindrome (10634243601).

The spelling of 10531130100 in words is "ten billion, five hundred thirty-one million, one hundred thirty thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 461 922 1383 1844 2305 2766 4610 5532 6915 9220 11525 13830 23050 27660 34575 46100 69150 76147 138300 152294 228441 304588 380735 456882 761470 913764 1142205 1522940 1903675 2284410 3807350 4568820 5711025 7614700 11422050 22844100 35103767 70207534 105311301 140415068 175518835 210622602 351037670 421245204 526556505 702075340 877594175 1053113010 1755188350 2106226020 2632782525 3510376700 5265565050 10531130100