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10021233042 = 2321931230491
BaseRepresentation
bin10010101010100111…
…11110000110010010
3221212101201101101100
421111103332012102
5131010413424132
64334221445230
7503223034602
oct112523760622
927771641340
1010021233042
1142827a7787
121b38110816
13c39212bc2
146b0cccc02
153d9ba437c
hex2554fe192

10021233042 has 72 divisors (see below), whose sum is σ = 23617273680. Its totient is φ = 3062415600.

The previous prime is 10021233037. The next prime is 10021233059. The reversal of 10021233042 is 24033212001.

10021233042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×100212330422 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 35 ways as a sum of consecutive naturals, for example, 313417 + ... + 343907.

It is an arithmetic number, because the mean of its divisors is an integer number (328017690).

Almost surely, 210021233042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021233042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11808636840).

10021233042 is an abundant number, since it is smaller than the sum of its proper divisors (13596040638).

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

10021233042 is a wasteful number, since it uses less digits than its factorization.

10021233042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30580 (or 30546 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10021233042 its reverse (24033212001), we get a palindrome (34054445043).

The spelling of 10021233042 in words is "ten billion, twenty-one million, two hundred thirty-three thousand, forty-two".

Divisors: 1 2 3 6 9 18 19 31 38 57 62 93 114 171 186 279 342 558 589 961 1178 1767 1922 2883 3534 5301 5766 8649 10602 17298 18259 30491 36518 54777 60982 91473 109554 164331 182946 274419 328662 548838 579329 945221 1158658 1737987 1890442 2835663 3475974 5213961 5671326 8506989 10427922 17013978 17959199 29301851 35918398 53877597 58603702 87905553 107755194 161632791 175811106 263716659 323265582 527433318 556735169 1113470338 1670205507 3340411014 5010616521 10021233042