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1031421110 = 251747129089
BaseRepresentation
bin111101011110100…
…011110010110110
32122212210121202212
4331132203302312
54103020433420
6250202533422
734362635426
oct7536436266
92585717685
101031421110
1148a234a45
12249507272
131358bbc65
149adaa486
156083b3c5
hex3d7a3cb6

1031421110 has 32 divisors (see below), whose sum is σ = 2007607680. Its totient is φ = 380035072.

The previous prime is 1031421109. The next prime is 1031421113. The reversal of 1031421110 is 111241301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031421113) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 56555 + ... + 72534.

It is an arithmetic number, because the mean of its divisors is an integer number (62737740).

Almost surely, 21031421110 is an apocalyptic number.

1031421110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031421110 is a deficient number, since it is larger than the sum of its proper divisors (976186570).

1031421110 is a wasteful number, since it uses less digits than its factorization.

1031421110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129160.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1031421110 is about 32115.7455152453. The cubic root of 1031421110 is about 1010.3658805768.

Adding to 1031421110 its reverse (111241301), we get a palindrome (1142662411).

The spelling of 1031421110 in words is "one billion, thirty-one million, four hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 17 34 47 85 94 170 235 470 799 1598 3995 7990 129089 258178 645445 1290890 2194513 4389026 6067183 10972565 12134366 21945130 30335915 60671830 103142111 206284222 515710555 1031421110