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1143100120 = 23544963647
BaseRepresentation
bin100010000100010…
…0101001011011000
32221122221111120111
41010020211023120
54320113200440
6305232334104
740220122261
oct10410451330
92848844514
101143100120
11537283048
1227a9a4334
13152a91606
14abb5b968
156a54b4ea
hex442252d8

1143100120 has 32 divisors (see below), whose sum is σ = 2577744000. Its totient is φ = 456214528.

The previous prime is 1143100099. The next prime is 1143100121. The reversal of 1143100120 is 210013411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143100120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13864 + ... + 49783.

It is an arithmetic number, because the mean of its divisors is an integer number (80554500).

Almost surely, 21143100120 is an apocalyptic number.

1143100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143100120 is an abundant number, since it is smaller than the sum of its proper divisors (1434643880).

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

1143100120 is a wasteful number, since it uses less digits than its factorization.

1143100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64107 (or 64103 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1143100120 is about 33809.7636785589. The cubic root of 1143100120 is about 1045.5900058696.

Adding to 1143100120 its reverse (210013411), we get a palindrome (1353113531).

The spelling of 1143100120 in words is "one billion, one hundred forty-three million, one hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 449 898 1796 2245 3592 4490 8980 17960 63647 127294 254588 318235 509176 636470 1272940 2545880 28577503 57155006 114310012 142887515 228620024 285775030 571550060 1143100120