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2120201200 = 2452132811451
BaseRepresentation
bin111111001011111…
…1011001111110000
312110202112101021101
41332113323033300
513320232414300
6550215134144
7103353261415
oct17627731760
95422471241
102120201200
119988865a7
124b2074354
1327a341a30
1416182810c
15c6207b6a
hex7e5fb3f0

2120201200 has 120 divisors (see below), whose sum is σ = 5508928656. Its totient is φ = 779520000.

The previous prime is 2120201179. The next prime is 2120201221. The reversal of 2120201200 is 21020212.

It is an interprime number because it is at equal distance from previous prime (2120201179) and next prime (2120201221).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1460475 + ... + 1461925.

Almost surely, 22120201200 is an apocalyptic number.

2120201200 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 2120201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2754464328).

2120201200 is an abundant number, since it is smaller than the sum of its proper divisors (3388727456).

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

2120201200 is a wasteful number, since it uses less digits than its factorization.

2120201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2120201200 is about 46045.6425734292. The cubic root of 2120201200 is about 1284.6722960322.

Adding to 2120201200 its reverse (21020212), we get a palindrome (2141221412).

The spelling of 2120201200 in words is "two billion, one hundred twenty million, two hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 281 325 400 520 562 650 1040 1124 1300 1405 1451 2248 2600 2810 2902 3653 4496 5200 5620 5804 7025 7255 7306 11240 11608 14050 14510 14612 18265 18863 22480 23216 28100 29020 29224 36275 36530 37726 56200 58040 58448 72550 73060 75452 91325 94315 112400 116080 145100 146120 150904 182650 188630 290200 292240 301808 365300 377260 407731 471575 580400 730600 754520 815462 943150 1461200 1509040 1630924 1886300 2038655 3261848 3772600 4077310 5300503 6523696 7545200 8154620 10193275 10601006 16309240 20386550 21202012 26502515 32618480 40773100 42404024 53005030 81546200 84808048 106010060 132512575 163092400 212020120 265025150 424040240 530050300 1060100600 2120201200