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1031401012 = 22257850253
BaseRepresentation
bin111101011110011…
…110111000110100
32122212202121012111
4331132132320310
54103014313022
6250202300404
734362523015
oct7536367064
92585677174
101031401012
1148a220934
122494b7704
131358b2a75
149ada300c
1560835477
hex3d79ee34

1031401012 has 6 divisors (see below), whose sum is σ = 1804951778. Its totient is φ = 515700504.

The previous prime is 1031401001. The next prime is 1031401039. The reversal of 1031401012 is 2101041301.

It can be written as a sum of positive squares in only one way, i.e., 556771216 + 474629796 = 23596^2 + 21786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1031400983 and 1031401001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128925123 + ... + 128925130.

Almost surely, 21031401012 is an apocalyptic number.

It is an amenable number.

1031401012 is a deficient number, since it is larger than the sum of its proper divisors (773550766).

1031401012 is a wasteful number, since it uses less digits than its factorization.

1031401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257850257 (or 257850255 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1031401012 is about 32115.4326142433. The cubic root of 1031401012 is about 1010.3593179597.

Adding to 1031401012 its reverse (2101041301), we get a palindrome (3132442313).

The spelling of 1031401012 in words is "one billion, thirty-one million, four hundred one thousand, twelve".

Divisors: 1 2 4 257850253 515700506 1031401012