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2112310143200 = 25522991047851
BaseRepresentation
bin11110101111001111011…
…111101110100011100000
321110221020112012021001102
4132233033133232203200
5234102002344040300
64254214253053532
7305416004653625
oct36571737564340
97427215167042
102112310143200
1174490a00a754
122a14684872a8
131242615481ca
14743447c234c
1539e2ccec0d5
hex1ebcf7ee8e0

2112310143200 has 72 divisors (see below), whose sum is σ = 5334493648680. Its totient is φ = 815788736000.

The previous prime is 2112310143169. The next prime is 2112310143227. The reversal of 2112310143200 is 23410132112.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45500726 + ... + 45547125.

It is an arithmetic number, because the mean of its divisors is an integer number (74090189565).

Almost surely, 22112310143200 is an apocalyptic number.

2112310143200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112310143200 is an abundant number, since it is smaller than the sum of its proper divisors (3222183505480).

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

2112310143200 is a wasteful number, since it uses less digits than its factorization.

2112310143200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91047900 (or 91047887 counting only the distinct ones).

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

Adding to 2112310143200 its reverse (23410132112), we get a palindrome (2135720275312).

The spelling of 2112310143200 in words is "two trillion, one hundred twelve billion, three hundred ten million, one hundred forty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 50 58 80 100 116 145 160 200 232 290 400 464 580 725 800 928 1160 1450 2320 2900 4640 5800 11600 23200 91047851 182095702 364191404 455239255 728382808 910478510 1456765616 1820957020 2276196275 2640387679 2913531232 3641914040 4552392550 5280775358 7283828080 9104785100 10561550716 13201938395 14567656160 18209570200 21123101432 26403876790 36419140400 42246202864 52807753580 66009691975 72838280800 84492405728 105615507160 132019383950 211231014320 264038767900 422462028640 528077535800 1056155071600 2112310143200