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103202312320 = 275535775273
BaseRepresentation
bin110000000011101010…
…1100101000010000000
3100212101100100122220201
41200013111211002000
53142324242443240
6115224355414544
710312310116012
oct1400725450200
9325340318821
10103202312320
113a84a018808
12180022b4454
1399690aa8c3
144dd048c1b2
152a40442d9a
hex1807565080

103202312320 has 128 divisors (see below), whose sum is σ = 251856494640. Its totient is φ = 40424177664.

The previous prime is 103202312309. The next prime is 103202312347. The reversal of 103202312320 is 23213202301.

It can be written as a sum of positive squares in 8 ways, for example, as 87990543424 + 15211768896 = 296632^2 + 123336^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19569204 + ... + 19574476.

Almost surely, 2103202312320 is an apocalyptic number.

103202312320 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 103202312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125928247320).

103202312320 is an abundant number, since it is smaller than the sum of its proper divisors (148654182320).

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

103202312320 is an equidigital number, since it uses as much as digits as its factorization.

103202312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922 (or 5910 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 103202312320 its reverse (23213202301), we get a palindrome (126415514621).

The spelling of 103202312320 in words is "one hundred three billion, two hundred two million, three hundred twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 53 64 80 106 128 160 212 265 320 424 530 577 640 848 1060 1154 1696 2120 2308 2885 3392 4240 4616 5273 5770 6784 8480 9232 10546 11540 16960 18464 21092 23080 26365 30581 33920 36928 42184 46160 52730 61162 73856 84368 92320 105460 122324 152905 168736 184640 210920 244648 279469 305810 337472 369280 421840 489296 558938 611620 674944 843680 978592 1117876 1223240 1397345 1687360 1957184 2235752 2446480 2794690 3042521 3374720 3914368 4471504 4892960 5589380 6085042 8943008 9785920 11178760 12170084 15212605 17886016 19571840 22357520 24340168 30425210 35772032 44715040 48680336 60850420 89430080 97360672 121700840 161253613 178860160 194721344 243401680 322507226 389442688 486803360 645014452 806268065 973606720 1290028904 1612536130 1947213440 2580057808 3225072260 5160115616 6450144520 10320231232 12900289040 20640462464 25800578080 51601156160 103202312320