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10312203030 = 2353783173647
BaseRepresentation
bin10011001101010011…
…11011101100010110
3222121200020012011120
421212221323230112
5132104410444110
64423134144410
7513355164603
oct114651735426
928550205146
1010312203030
114411a73848
121bb9652106
13c8459b7ac
146db7d16aa
154054cc870
hex266a7bb16

10312203030 has 128 divisors (see below), whose sum is σ = 25913115648. Its totient is φ = 2624020992.

The previous prime is 10312203001. The next prime is 10312203037. The reversal of 10312203030 is 3030221301.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312203037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15938167 + ... + 15938813.

It is an arithmetic number, because the mean of its divisors is an integer number (202446216).

Almost surely, 210312203030 is an apocalyptic number.

10312203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10312203030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12956557824).

10312203030 is an abundant number, since it is smaller than the sum of its proper divisors (15600912618).

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

10312203030 is a wasteful number, since it uses less digits than its factorization.

10312203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 10312203030 its reverse (3030221301), we get a palindrome (13342424331).

The spelling of 10312203030 in words is "ten billion, three hundred twelve million, two hundred three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 83 111 166 173 185 222 249 346 370 415 498 519 555 647 830 865 1038 1110 1245 1294 1730 1941 2490 2595 3071 3235 3882 5190 6142 6401 6470 9213 9705 12802 14359 15355 18426 19203 19410 23939 28718 30710 32005 38406 43077 46065 47878 53701 64010 71795 71817 86154 92130 96015 107402 111931 119695 143590 143634 161103 192030 215385 223862 239390 268505 322206 335793 359085 430770 531283 537010 559655 671586 718170 805515 1062566 1119310 1593849 1611030 1678965 1986937 2656415 3187698 3357930 3973874 4141447 5312830 5960811 7969245 8282894 9290273 9934685 11921622 12424341 15938490 18580546 19869370 20707235 24848682 27870819 29804055 41414470 46451365 55741638 59608110 62121705 92902730 124243410 139354095 278708190 343740101 687480202 1031220303 1718700505 2062440606 3437401010 5156101515 10312203030