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23243424420 = 22351737615883
BaseRepresentation
bin10101101001011010…
…101000001010100100
32012222212121022010010
4111221122220022210
5340100304040140
614402231130220
71451664563526
oct255132501244
965885538103
1023243424420
119948341877
124608213970
13226563b898
1411a6d75a16
15910895880
hex5696a82a4

23243424420 has 96 divisors (see below), whose sum is σ = 70772462208. Its totient is φ = 5675968512.

The previous prime is 23243424409. The next prime is 23243424439. The reversal of 23243424420 is 2442434232.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270202 + ... + 345681.

It is an arithmetic number, because the mean of its divisors is an integer number (737213148).

Almost surely, 223243424420 is an apocalyptic number.

23243424420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23243424420 is an abundant number, since it is smaller than the sum of its proper divisors (47529037788).

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

23243424420 is a wasteful number, since it uses less digits than its factorization.

23243424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615949 (or 615947 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 23243424420 its reverse (2442434232), we get a palindrome (25685858652).

The spelling of 23243424420 in words is "twenty-three billion, two hundred forty-three million, four hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 37 51 60 68 74 85 102 111 148 170 185 204 222 255 340 370 444 510 555 629 740 1020 1110 1258 1887 2220 2516 3145 3774 6290 7548 9435 12580 18870 37740 615883 1231766 1847649 2463532 3079415 3695298 6158830 7390596 9238245 10470011 12317660 18476490 20940022 22787671 31410033 36952980 41880044 45575342 52350055 62820066 68363013 91150684 104700110 113938355 125640132 136726026 157050165 209400220 227876710 273452052 314100330 341815065 387390407 455753420 628200660 683630130 774780814 1162171221 1367260260 1549561628 1936952035 2324342442 3873904070 4648684884 5810856105 7747808140 11621712210 23243424420