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1142142441 = 3112347101317
BaseRepresentation
bin100010000010011…
…1011010111101001
32221121010211212220
41010010323113221
54314342024231
6305200024253
740206023226
oct10404732751
92847124786
101142142441
11536789580
1227a602089
1315281773b
14ab98c94d
156a40c896
hex4413b5e9

1142142441 has 64 divisors (see below), whose sum is σ = 1793581056. Its totient is φ = 639584000.

The previous prime is 1142142427. The next prime is 1142142493. The reversal of 1142142441 is 1442412411.

It is not a de Polignac number, because 1142142441 - 26 = 1142142377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142142241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3602815 + ... + 3603131.

It is an arithmetic number, because the mean of its divisors is an integer number (28024704).

Almost surely, 21142142441 is an apocalyptic number.

1142142441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1142142441 is a deficient number, since it is larger than the sum of its proper divisors (651438615).

1142142441 is a wasteful number, since it uses less digits than its factorization.

1142142441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502.

The product of its digits is 1024, while the sum is 24.

The square root of 1142142441 is about 33795.5979529879. The cubic root of 1142142441 is about 1045.2979289869.

Adding to 1142142441 its reverse (1442412411), we get a palindrome (2584554852).

The spelling of 1142142441 in words is "one billion, one hundred forty-two million, one hundred forty-two thousand, four hundred forty-one".

Divisors: 1 3 11 23 33 47 69 101 141 253 303 317 517 759 951 1081 1111 1551 2323 3243 3333 3487 4747 6969 7291 10461 11891 14241 14899 21873 25553 32017 35673 44697 52217 76659 80201 96051 109181 156651 163889 240603 327543 342677 352187 491667 736391 1028031 1056561 1200991 1504799 2209173 3602973 3769447 4514397 8100301 11308341 16552789 24300903 34610377 49658367 103831131 380714147 1142142441