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200131221112 = 2325016402639
BaseRepresentation
bin1011101001100011000…
…0000001011001111000
3201010120111012102000121
42322120300001121320
511234332043033422
6231534454343024
720313303211564
oct2723060013170
9633514172017
10200131221112
11779699475a9
123295365aa74
1315b455746c4
1499876bc6a4
155314c448c7
hex2e98c01678

200131221112 has 8 divisors (see below), whose sum is σ = 375246039600. Its totient is φ = 100065610552.

The previous prime is 200131221079. The next prime is 200131221127. The reversal of 200131221112 is 211122131002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2001312211123 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12508201312 + ... + 12508201327.

It is an arithmetic number, because the mean of its divisors is an integer number (46905754950).

Almost surely, 2200131221112 is an apocalyptic number.

It is an amenable number.

200131221112 is a deficient number, since it is larger than the sum of its proper divisors (175114818488).

200131221112 is a wasteful number, since it uses less digits than its factorization.

200131221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25016402645 (or 25016402641 counting only the distinct ones).

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

Adding to 200131221112 its reverse (211122131002), we get a palindrome (411253352114).

The spelling of 200131221112 in words is "two hundred billion, one hundred thirty-one million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 25016402639 50032805278 100065610556 200131221112