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10225000506 = 2371731659701
BaseRepresentation
bin10011000010111010…
…10010000000111010
3222101121010211210110
421201131102000322
5131420100004011
64410341125150
7511246033050
oct114135220072
928347124713
1010225000506
114377823246
121b943b97b6
13c6c4b8c76
146cddb21d0
153eca04ba6
hex26175203a

10225000506 has 128 divisors (see below), whose sum is σ = 25619742720. Its totient is φ = 2653056000.

The previous prime is 10225000501. The next prime is 10225000507. The reversal of 10225000506 is 60500052201.

10225000506 is a nontrivial binomial coefficient, being equal to C(143004, 2).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10225000501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14585956 + ... + 14586656.

It is an arithmetic number, because the mean of its divisors is an integer number (200154240).

Almost surely, 210225000506 is an apocalyptic number.

10225000506 is the 143003-rd triangular number and also the 71502-nd hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10225000506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12809871360).

10225000506 is an abundant number, since it is smaller than the sum of its proper divisors (15394742214).

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

10225000506 is a wasteful number, since it uses less digits than its factorization.

10225000506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 10225000506 its reverse (60500052201), we get a palindrome (70725052707).

The spelling of 10225000506 in words is "ten billion, two hundred twenty-five million, five hundred six", and thus it is an aban number.

Divisors: 1 2 3 6 7 14 17 21 31 34 42 51 62 93 102 119 186 217 238 357 434 527 651 659 701 714 1054 1302 1318 1402 1581 1977 2103 3162 3689 3954 4206 4613 4907 7378 9226 9814 11067 11203 11917 13839 14721 20429 21731 22134 22406 23834 27678 29442 33609 35751 40858 43462 61287 65193 67218 71502 78421 83419 122574 130386 143003 152117 156842 166838 235263 250257 286006 304234 347293 369427 429009 456351 461959 470526 500514 694586 738854 858018 912702 923918 1041879 1108281 1385877 2083758 2216562 2431051 2585989 2771754 3233713 4862102 5171978 6467426 7293153 7757967 7853303 9701139 14320729 14586306 15515934 15706606 19402278 23559909 28641458 42962187 47119818 54973121 85924374 100245103 109946242 164919363 200490206 243452393 300735309 329838726 486904786 601470618 730357179 1460714358 1704166751 3408333502 5112500253 10225000506