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2257120000 = 285414107
BaseRepresentation
bin1000011010001000…
…1110101100000000
312211022011120120001
42012202032230000
514110310320000
61011545525344
7106635126532
oct20642165400
95738146501
102257120000
11a590a3733
1252baa3854
1329c810785
14175aa9852
15d325146a
hex8688eb00

2257120000 has 90 divisors (see below), whose sum is σ = 5630375828. Its totient is φ = 902784000.

The previous prime is 2257119983. The next prime is 2257120001. The reversal of 2257120000 is 217522.

It is a self number, because there is not a number n which added to its sum of digits gives 2257120000.

It is not an unprimeable number, because it can be changed into a prime (2257120001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 152947 + ... + 167053.

Almost surely, 22257120000 is an apocalyptic number.

2257120000 is a gapful number since it is divisible by the number (20) 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 2257120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2815187914).

2257120000 is an abundant number, since it is smaller than the sum of its proper divisors (3373255828).

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

2257120000 is an frugal number, since it uses more digits than its factorization.

2257120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14143 (or 14114 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2257120000 is about 47509.1570120961. The cubic root of 2257120000 is about 1311.7514401230.

Adding to 2257120000 its reverse (217522), we get a palindrome (2257337522).

The spelling of 2257120000 in words is "two billion, two hundred fifty-seven million, one hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 625 640 800 1000 1250 1280 1600 2000 2500 3200 4000 5000 6400 8000 10000 14107 16000 20000 28214 32000 40000 56428 70535 80000 112856 141070 160000 225712 282140 352675 451424 564280 705350 902848 1128560 1410700 1763375 1805696 2257120 2821400 3526750 3611392 4514240 5642800 7053500 8816875 9028480 11285600 14107000 17633750 18056960 22571200 28214000 35267500 45142400 56428000 70535000 90284800 112856000 141070000 225712000 282140000 451424000 564280000 1128560000 2257120000