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12455102000 = 245311619281
BaseRepresentation
bin10111001100110000…
…11100011000110000
31012011000110201221002
423212120130120300
5201002001231000
65415524021132
7620435422505
oct134630343060
935130421832
1012455102000
115311642530
1224b72317a8
131236529853
148622474ac
154cd6ba8d5
hex2e661c630

12455102000 has 160 divisors (see below), whose sum is σ = 33396487488. Its totient is φ = 4454400000.

The previous prime is 12455101993. The next prime is 12455102021. The reversal of 12455102000 is 20155421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1337360 + ... + 1346640.

Almost surely, 212455102000 is an apocalyptic number.

12455102000 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 12455102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16698243744).

12455102000 is an abundant number, since it is smaller than the sum of its proper divisors (20941385488).

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

12455102000 is a wasteful number, since it uses less digits than its factorization.

12455102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376 (or 9360 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 12455102000 its reverse (20155421), we get a palindrome (12475257421).

The spelling of 12455102000 in words is "twelve billion, four hundred fifty-five million, one hundred two thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 61 80 88 100 110 122 125 176 200 220 244 250 275 305 400 440 488 500 550 610 671 880 976 1000 1100 1220 1342 1375 1525 2000 2200 2440 2684 2750 3050 3355 4400 4880 5368 5500 6100 6710 7625 9281 10736 11000 12200 13420 15250 16775 18562 22000 24400 26840 30500 33550 37124 46405 53680 61000 67100 74248 83875 92810 102091 122000 134200 148496 167750 185620 204182 232025 268400 335500 371240 408364 464050 510455 566141 671000 742480 816728 928100 1020910 1132282 1160125 1342000 1633456 1856200 2041820 2264564 2320250 2552275 2830705 3712400 4083640 4529128 4640500 5104550 5661410 6227551 8167280 9058256 9281000 10209100 11322820 12455102 12761375 14153525 18562000 20418200 22645640 24910204 25522750 28307050 31137755 40836400 45291280 49820408 51045500 56614100 62275510 70767625 99640816 102091000 113228200 124551020 141535250 155688775 204182000 226456400 249102040 283070500 311377550 498204080 566141000 622755100 778443875 1132282000 1245510200 1556887750 2491020400 3113775500 6227551000 12455102000