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2031013012 = 227367719727
BaseRepresentation
bin111100100001110…
…1100110010010100
312020112201011002011
41321003230302110
513124414404022
6533311354004
7101221216510
oct17103546224
95215634064
102031013012
119524aa156
12488222904
13264a15462
14153a4d140
15bd48b977
hex790ecc94

2031013012 has 24 divisors (see below), whose sum is σ = 4063336704. Its totient is φ = 870153312.

The previous prime is 2031012989. The next prime is 2031013013. The reversal of 2031013012 is 2103101302.

It is a junction number, because it is equal to n+sod(n) for n = 2031012983 and 2031013001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031013013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93093 + ... + 112819.

It is an arithmetic number, because the mean of its divisors is an integer number (169305696).

Almost surely, 22031013012 is an apocalyptic number.

It is an amenable number.

2031013012 is an abundant number, since it is smaller than the sum of its proper divisors (2032323692).

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

2031013012 is a wasteful number, since it uses less digits than its factorization.

2031013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23415 (or 23413 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2031013012 is about 45066.7617208071. The cubic root of 2031013012 is about 1266.4000002195.

Adding to 2031013012 its reverse (2103101302), we get a palindrome (4134114314).

The spelling of 2031013012 in words is "two billion, thirty-one million, thirteen thousand, twelve".

Divisors: 1 2 4 7 14 28 3677 7354 14708 19727 25739 39454 51478 78908 102956 138089 276178 552356 72536179 145072358 290144716 507753253 1015506506 2031013012