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10381572100 = 22522324432
BaseRepresentation
bin10011010101100101…
…00011100000000100
3222210111202111122101
421222302203200010
5132230140301400
64434053041444
7515156623024
oct115262434004
928714674571
1010381572100
114448143859
122018926284
13c95a79093
14706acba84
1540b63156a
hex26aca3804

10381572100 has 81 divisors (see below), whose sum is σ = 23603356693. Its totient is φ = 3963113440.

The previous prime is 10381572059. The next prime is 10381572119. The reversal of 10381572100 is 127518301.

The square root of 10381572100 is 101890.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3737365956 + 6644206144 = 61134^2 + 81512^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 23434479 + ... + 23434921.

Almost surely, 210381572100 is an apocalyptic number.

10381572100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10381572100 is the 101890-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10381572100

10381572100 is an abundant number, since it is smaller than the sum of its proper divisors (13221784593).

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

10381572100 is an equidigital number, since it uses as much as digits as its factorization.

10381572100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The spelling of 10381572100 in words is "ten billion, three hundred eighty-one million, five hundred seventy-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 92 100 115 230 443 460 529 575 886 1058 1150 1772 2116 2215 2300 2645 4430 5290 8860 10189 10580 11075 13225 20378 22150 26450 40756 44300 50945 52900 101890 196249 203780 234347 254725 392498 468694 509450 784996 937388 981245 1018900 1171735 1962490 2343470 3924980 4513727 4686940 4906225 5858675 9027454 9812450 11717350 18054908 19624900 22568635 23434700 45137270 90274540 103815721 112843175 207631442 225686350 415262884 451372700 519078605 1038157210 2076314420 2595393025 5190786050 10381572100