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12315367200 = 2535216331481
BaseRepresentation
bin10110111100000110…
…11001011100100000
31011210021112110211010
423132003121130200
5200210213222300
65354013020520
7614120615433
oct133603313440
934707473733
1012315367200
11524a781724
122478484740
1312135b3136
1484b87181a
154c12b7a50
hex2de0d9720

12315367200 has 144 divisors (see below), whose sum is σ = 40333730976. Its totient is φ = 3263846400.

The previous prime is 12315367193. The next prime is 12315367201. The reversal of 12315367200 is 276351321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12315367201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375460 + ... + 406940.

It is an arithmetic number, because the mean of its divisors is an integer number (280095354).

Almost surely, 212315367200 is an apocalyptic number.

12315367200 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 12315367200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20166865488).

12315367200 is an abundant number, since it is smaller than the sum of its proper divisors (28018363776).

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

12315367200 is a wasteful number, since it uses less digits than its factorization.

12315367200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31667 (or 31654 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The spelling of 12315367200 in words is "twelve billion, three hundred fifteen million, three hundred sixty-seven thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 163 200 240 300 326 400 480 489 600 652 800 815 978 1200 1304 1630 1956 2400 2445 2608 3260 3912 4075 4890 5216 6520 7824 8150 9780 12225 13040 15648 16300 19560 24450 26080 31481 32600 39120 48900 62962 65200 78240 94443 97800 125924 130400 157405 188886 195600 251848 314810 377772 391200 472215 503696 629620 755544 787025 944430 1007392 1259240 1511088 1574050 1888860 2361075 2518480 3022176 3148100 3777720 4722150 5036960 5131403 6296200 7555440 9444300 10262806 12592400 15110880 15394209 18888600 20525612 25184800 25657015 30788418 37777200 41051224 51314030 61576836 75554400 76971045 82102448 102628060 123153672 128285075 153942090 164204896 205256120 246307344 256570150 307884180 384855225 410512240 492614688 513140300 615768360 769710450 821024480 1026280600 1231536720 1539420900 2052561200 2463073440 3078841800 4105122400 6157683600 12315367200