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1040130273 = 3713237892
BaseRepresentation
bin111101111111110…
…010000011100001
32200111012002111110
4331333302003201
54112233132043
6251113333533
734526650530
oct7577620341
92614162443
101040130273
114941432a6
122504072a9
1313764b100
149c1d6317
15614abb33
hex3dff20e1

1040130273 has 72 divisors (see below), whose sum is σ = 1782671808. Its totient is φ = 527814144.

The previous prime is 1040130263. The next prime is 1040130277. The reversal of 1040130273 is 3720310401.

It is not a de Polignac number, because 1040130273 - 220 = 1039081697 is a prime.

It is a super-2 number, since 2×10401302732 = 2163741969622109058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040130277) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11686813 + ... + 11686901.

Almost surely, 21040130273 is an apocalyptic number.

1040130273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1040130273 is a deficient number, since it is larger than the sum of its proper divisors (742541535).

1040130273 is an equidigital number, since it uses as much as digits as its factorization.

1040130273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1040130273 is about 32251.0507270693. The cubic root of 1040130273 is about 1013.2017056806.

Adding to 1040130273 its reverse (3720310401), we get a palindrome (4760440674).

It can be divided in two parts, 1040130 and 273, that added together give a triangular number (1040403 = T1442).

The spelling of 1040130273 in words is "one billion, forty million, one hundred thirty thousand, two hundred seventy-three".

Divisors: 1 3 7 13 21 37 39 89 91 111 169 259 267 273 481 507 623 777 1157 1183 1443 1869 3293 3367 3471 3549 6253 7921 8099 9879 10101 15041 18759 23051 23763 24297 42809 43771 45123 55447 69153 102973 105287 128427 131313 166341 293077 299663 308919 315861 556517 720811 879231 898989 1338649 1669551 2051539 2162433 3810001 3895619 4015947 6154617 9370543 11430003 11686857 26670007 28111629 49530013 80010021 148590039 346710091 1040130273