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1040102040 = 233510185817
BaseRepresentation
bin111101111111101…
…011001010011000
32200111010122202210
4331333223022120
54112231231130
6251112555120
734526502315
oct7577531230
92614118683
101040102040
1149412406a
122503b2aa0
1313763b2c3
149c1c9d0c
15614a35b0
hex3dfeb298

1040102040 has 64 divisors (see below), whose sum is σ = 3151236960. Its totient is φ = 274611200.

The previous prime is 1040102039. The next prime is 1040102053. The reversal of 1040102040 is 402010401.

It is a super-2 number, since 2×10401020402 = 2163624507224323200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 in 15 ways as a sum of consecutive naturals, for example, 30789 + ... + 55028.

Almost surely, 21040102040 is an apocalyptic number.

1040102040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040102040 is an abundant number, since it is smaller than the sum of its proper divisors (2111134920).

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

1040102040 is a wasteful number, since it uses less digits than its factorization.

1040102040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85932 (or 85928 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1040102040 is about 32250.6130174296. The cubic root of 1040102040 is about 1013.1925382447.

Adding to 1040102040 its reverse (402010401), we get a palindrome (1442112441).

The spelling of 1040102040 in words is "one billion, forty million, one hundred two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 101 120 202 303 404 505 606 808 1010 1212 1515 2020 2424 3030 4040 6060 12120 85817 171634 257451 343268 429085 514902 686536 858170 1029804 1287255 1716340 2059608 2574510 3432680 5149020 8667517 10298040 17335034 26002551 34670068 43337585 52005102 69340136 86675170 104010204 130012755 173350340 208020408 260025510 346700680 520051020 1040102040