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12070203371658 = 232670566853981
BaseRepresentation
bin1010111110100101000000…
…1011110011000010001010
31120201220022020002220010200
42233221100023303002022
53040224234030343113
641400550323553030
72354020614561315
oct257512013630212
946656266086120
1012070203371658
113933a43152023
12142b35282b776
136972a50020a3
142da2b561397c
1515de91304873
hexafa502f308a

12070203371658 has 12 divisors (see below), whose sum is σ = 26152107305298. Its totient is φ = 4023401123880.

The previous prime is 12070203371647. The next prime is 12070203371659. The reversal of 12070203371658 is 85617330207021.

12070203371658 is a `hidden beast` number, since 1 + 2 + 0 + 70 + 203 + 371 + 6 + 5 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9012262173849 + 3057941197809 = 3002043^2 + 1748697^2 .

It is not an unprimeable number, because it can be changed into a prime (12070203371659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 335283426973 + ... + 335283427008.

Almost surely, 212070203371658 is an apocalyptic number.

12070203371658 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12070203371658 is an abundant number, since it is smaller than the sum of its proper divisors (14081903933640).

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

12070203371658 is a wasteful number, since it uses less digits than its factorization.

12070203371658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670566853989 (or 670566853986 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

Adding to 12070203371658 its reverse (85617330207021), we get a palindrome (97687533578679).

The spelling of 12070203371658 in words is "twelve trillion, seventy billion, two hundred three million, three hundred seventy-one thousand, six hundred fifty-eight".

Divisors: 1 2 3 6 9 18 670566853981 1341133707962 2011700561943 4023401123886 6035101685829 12070203371658