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103112254520 = 235111381169693
BaseRepresentation
bin110000000000111111…
…0000010010000111000
3100212011001220020211122
41200001332002100320
53142133214121040
6115211421244412
710310134462562
oct1400176022070
9325131806748
10103112254520
113a8031a7a80
1217b98103708
139953538572
144dc2528332
152a375a41b5
hex1801f82438

103112254520 has 64 divisors (see below), whose sum is σ = 253278476640. Its totient is φ = 37467993600.

The previous prime is 103112254489. The next prime is 103112254549. The reversal of 103112254520 is 25452211301.

103112254520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 103112254520.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 522794 + ... + 692486.

Almost surely, 2103112254520 is an apocalyptic number.

103112254520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103112254520 is an abundant number, since it is smaller than the sum of its proper divisors (150166222120).

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

103112254520 is a wasteful number, since it uses less digits than its factorization.

103112254520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171096 (or 171092 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 103112254520 its reverse (25452211301), we get a palindrome (128564465821).

The spelling of 103112254520 in words is "one hundred three billion, one hundred twelve million, two hundred fifty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 1381 2762 5524 6905 11048 13810 15191 27620 30382 55240 60764 75955 121528 151910 169693 303820 339386 607640 678772 848465 1357544 1696930 1866623 3393860 3733246 6787720 7466492 9333115 14932984 18666230 37332460 74664920 234346033 468692066 937384132 1171730165 1874768264 2343460330 2577806363 4686920660 5155612726 9373841320 10311225452 12889031815 20622450904 25778063630 51556127260 103112254520