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10021233124 = 2272326359167
BaseRepresentation
bin10010101010100111…
…11110000111100100
3221212101201101111101
421111103332013210
5131010413424444
64334221445444
7503223035050
oct112523760744
927771641441
1010021233124
1142827a7851
121b38110884
13c39212c56
146b0cccc60
153d9ba43d4
hex2554fe1e4

10021233124 has 48 divisors (see below), whose sum is σ = 20993753088. Its totient is φ = 4092393888.

The previous prime is 10021233113. The next prime is 10021233133. The reversal of 10021233124 is 42133212001.

It is a happy number.

It is a super-2 number, since 2×100212331242 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139789 + ... + 198955.

It is an arithmetic number, because the mean of its divisors is an integer number (437369856).

Almost surely, 210021233124 is an apocalyptic number.

10021233124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021233124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10496876544).

10021233124 is an abundant number, since it is smaller than the sum of its proper divisors (10972519964).

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

10021233124 is a wasteful number, since it uses less digits than its factorization.

10021233124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59464 (or 59462 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10021233124 its reverse (42133212001), we get a palindrome (52154445125).

The spelling of 10021233124 in words is "ten billion, twenty-one million, two hundred thirty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 23 28 46 92 161 263 322 526 644 1052 1841 3682 6049 7364 12098 24196 42343 59167 84686 118334 169372 236668 414169 828338 1360841 1656676 2721682 5443364 9525887 15560921 19051774 31121842 38103548 62243684 108926447 217852894 357901183 435705788 715802366 1431604732 2505308281 5010616562 10021233124