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22401230124 = 22371337554431
BaseRepresentation
bin10100110111001101…
…111010010100101100
32010211011212101201210
4110313031322110230
5331334203330444
614142504034420
71422060212550
oct246715722454
963734771653
1022401230124
119555a01829
124412162a10
132160004470
141127185860
158b19867b9
hex53737a52c

22401230124 has 96 divisors (see below), whose sum is σ = 66070552576. Its totient is φ = 5748330240.

The previous prime is 22401230081. The next prime is 22401230129. The reversal of 22401230124 is 42103210422.

It is a super-2 number, since 2×224012301242 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22401230124.

It is not an unprimeable number, because it can be changed into a prime (22401230129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236812 + ... + 317619.

Almost surely, 222401230124 is an apocalyptic number.

It is an amenable number.

22401230124 is an abundant number, since it is smaller than the sum of its proper divisors (43669322452).

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

22401230124 is a wasteful number, since it uses less digits than its factorization.

22401230124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554495 (or 554493 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22401230124 its reverse (42103210422), we get a palindrome (64504440546).

The spelling of 22401230124 in words is "twenty-two billion, four hundred one million, two hundred thirty thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 37 39 42 52 74 78 84 91 111 148 156 182 222 259 273 364 444 481 518 546 777 962 1036 1092 1443 1554 1924 2886 3108 3367 5772 6734 10101 13468 20202 40404 554431 1108862 1663293 2217724 3326586 3881017 6653172 7207603 7762034 11643051 14415206 15524068 20513947 21622809 23286102 28830412 41027894 43245618 46572204 50453221 61541841 82055788 86491236 100906442 123083682 143597629 151359663 201812884 246167364 266681311 287195258 302719326 430792887 533362622 574390516 605438652 800043933 861585774 1066725244 1600087866 1723171548 1866769177 3200175732 3733538354 5600307531 7467076708 11200615062 22401230124