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31200114213200 = 2452312516138243
BaseRepresentation
bin1110001100000010101111…
…01110011000000101010000
311002110200221121022111112002
413012001113232120011100
513042140313214310300
6150205045023453132
76400063626032312
oct706012756300520
9132420847274462
1031200114213200
119a399920a7219
1235ba95b1571a8
1314542095a5c1a
1479c144b257b2
153918bea255d5
hex1c6057b98150

31200114213200 has 60 divisors (see below), whose sum is σ = 77376283279488. Its totient is φ = 12077463561600.

The previous prime is 31200114213199. The next prime is 31200114213223. The reversal of 31200114213200 is 231241100213.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1258056722 + ... + 1258081521.

Almost surely, 231200114213200 is an apocalyptic number.

It is an amenable number.

31200114213200 is an abundant number, since it is smaller than the sum of its proper divisors (46176169066288).

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

31200114213200 is a wasteful number, since it uses less digits than its factorization.

31200114213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516138292 (or 2516138281 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31200114213200 its reverse (231241100213), we get a palindrome (31431355313413).

The spelling of 31200114213200 in words is "thirty-one trillion, two hundred billion, one hundred fourteen million, two hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 155 200 248 310 400 496 620 775 1240 1550 2480 3100 6200 12400 2516138243 5032276486 10064552972 12580691215 20129105944 25161382430 40258211888 50322764860 62903456075 78000285533 100645529720 125806912150 156000571066 201291059440 251613824300 312001142132 390001427665 503227648600 624002284264 780002855330 1006455297200 1248004568528 1560005710660 1950007138325 3120011421320 3900014276650 6240022842640 7800028553300 15600057106600 31200114213200