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1092012831 = 3271311291181
BaseRepresentation
bin100000100010110…
…1100101100011111
32211002210222222200
41001011230230133
54214023402311
6300205342543
736026645610
oct10105545437
92732728880
101092012831
1151045a448
12265867a53
13145315350
14a505dc07
1565d09556
hex4116cb1f

1092012831 has 48 divisors (see below), whose sum is σ = 1944720960. Its totient is φ = 575009280.

The previous prime is 1092012827. The next prime is 1092012839. The reversal of 1092012831 is 1382102901.

It is not a de Polignac number, because 1092012831 - 22 = 1092012827 is a prime.

It is a super-2 number, since 2×10920128312 = 2384984046137269122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1092012795 and 1092012804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092012839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 924061 + ... + 925241.

It is an arithmetic number, because the mean of its divisors is an integer number (40515020).

Almost surely, 21092012831 is an apocalyptic number.

1092012831 is a deficient number, since it is larger than the sum of its proper divisors (852708129).

1092012831 is a wasteful number, since it uses less digits than its factorization.

1092012831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1092012831 is about 33045.6174250081. The cubic root of 1092012831 is about 1029.7755601716.

The spelling of 1092012831 in words is "one billion, ninety-two million, twelve thousand, eight hundred thirty-one".

Divisors: 1 3 7 9 13 21 39 63 91 117 273 819 1129 1181 3387 3543 7903 8267 10161 10629 14677 15353 23709 24801 44031 46059 71127 74403 102739 107471 132093 138177 308217 322413 924651 967239 1333349 4000047 9333443 12000141 17333537 28000329 52000611 84000987 121334759 156001833 364004277 1092012831