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312012012011200 = 2652195007507507
BaseRepresentation
bin100011011110001011111010…
…1001001000011111011000000
31111220202001112120202002021021
41012330113311021003323000
5311344001100033324300
63023332201201235224
7122502060344063314
oct10674276511037300
91456661476662237
10312012012011200
119046460770a106
122abb2027632b14
13105137b65a3327
14570966787bb44
1526112360c3d1a
hex11bc5f5243ec0

312012012011200 has 42 divisors (see below), whose sum is σ = 767744557058996. Its totient is φ = 124804804803840.

The previous prime is 312012012011149. The next prime is 312012012011221. The reversal of 312012012011200 is 2110210210213.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97503752154 + ... + 97503755353.

Almost surely, 2312012012011200 is an apocalyptic number.

It is an amenable number.

312012012011200 is an abundant number, since it is smaller than the sum of its proper divisors (455732545047796).

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

312012012011200 is a wasteful number, since it uses less digits than its factorization.

312012012011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195007507529 (or 195007507514 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 312012012011200 its reverse (2110210210213), we get a palindrome (314122222221413).

The spelling of 312012012011200 in words is "three hundred twelve trillion, twelve billion, twelve million, eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 195007507507 390015015014 780030030028 975037537535 1560060060056 1950075075070 3120120120112 3900150150140 4875187687675 6240240240224 7800300300280 9750375375350 12480480480448 15600600600560 19500750750700 31201201201120 39001501501400 62402402402240 78003003002800 156006006005600 312012012011200