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1042420550210 = 25138941896837
BaseRepresentation
bin11110010101101010001…
…10110100101001000010
310200122200002011122122022
433022311012310221002
5114034334130101320
62114514214041442
7135212103323354
oct17126506645102
93618602148568
101042420550210
113720a7252156
1214a040649282
13773b8980720
143864c2a30d4
151c1b09d3325
hexf2b51b4a42

1042420550210 has 32 divisors (see below), whose sum is σ = 2020920399792. Its totient is φ = 384850264320.

The previous prime is 1042420550209. The next prime is 1042420550233. The reversal of 1042420550210 is 120550242401.

It can be written as a sum of positive squares in 8 ways, for example, as 83762199889 + 958658350321 = 289417^2 + 979111^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1042420550210.

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 in 15 ways as a sum of consecutive naturals, for example, 713912 + ... + 1610748.

Almost surely, 21042420550210 is an apocalyptic number.

1042420550210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042420550210 is a deficient number, since it is larger than the sum of its proper divisors (978499849582).

1042420550210 is a wasteful number, since it uses less digits than its factorization.

1042420550210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905798.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 1042420550210 its reverse (120550242401), we get a palindrome (1162970792611).

The spelling of 1042420550210 in words is "one trillion, forty-two billion, four hundred twenty million, five hundred fifty thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 8941 17882 44705 89410 116233 232466 581165 896837 1162330 1793674 4484185 8968370 11658881 23317762 58294405 116588810 8018619617 16037239234 40093098085 80186196170 104242055021 208484110042 521210275105 1042420550210