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1304102140 = 2251154110957
BaseRepresentation
bin100110110111011…
…0000010011111100
310100212220020211021
41031232300103330
510132322232030
6333223233524
744213454025
oct11556602374
93325806737
101304102140
1160a14a270
123048a88a4
1317a243193
14c52abc4c
157975097a
hex4dbb04fc

1304102140 has 48 divisors (see below), whose sum is σ = 2993374944. Its totient is φ = 473299200.

The previous prime is 1304102083. The next prime is 1304102171. The reversal of 1304102140 is 412014031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113542 + ... + 124498.

It is an arithmetic number, because the mean of its divisors is an integer number (62361978).

Almost surely, 21304102140 is an apocalyptic number.

1304102140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304102140 is an abundant number, since it is smaller than the sum of its proper divisors (1689272804).

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

1304102140 is a wasteful number, since it uses less digits than its factorization.

1304102140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11518 (or 11516 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1304102140 is about 36112.3543956912. The cubic root of 1304102140 is about 1092.5396383288.

Adding to 1304102140 its reverse (412014031), we get a palindrome (1716116171).

The spelling of 1304102140 in words is "one billion, three hundred four million, one hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 541 1082 2164 2705 5410 5951 10820 10957 11902 21914 23804 29755 43828 54785 59510 109570 119020 120527 219140 241054 482108 602635 1205270 2410540 5927737 11855474 23710948 29638685 59277370 65205107 118554740 130410214 260820428 326025535 652051070 1304102140