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40031142424 = 23713518910597
BaseRepresentation
bin100101010010000010…
…101100001000011000
310211022211122201212121
4211102002230020120
51123440433024144
630220130151024
72615003045020
oct452202541030
9124284581777
1040031142424
1115a82599889
127912422474
133a0c667530
141d1a796a80
1510945d9384
hex9520ac218

40031142424 has 64 divisors (see below), whose sum is σ = 92406081600. Its totient is φ = 15831949824.

The previous prime is 40031142391. The next prime is 40031142461. The reversal of 40031142424 is 42424113004.

It is a congruent number.

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, 3772294 + ... + 3782890.

It is an arithmetic number, because the mean of its divisors is an integer number (1443845025).

Almost surely, 240031142424 is an apocalyptic number.

It is an amenable number.

40031142424 is an abundant number, since it is smaller than the sum of its proper divisors (52374939176).

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

40031142424 is a wasteful number, since it uses less digits than its factorization.

40031142424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15812 (or 15808 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40031142424 its reverse (42424113004), we get a palindrome (82455255428).

The spelling of 40031142424 in words is "forty billion, thirty-one million, one hundred forty-two thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 5189 10378 10597 20756 21194 36323 41512 42388 67457 72646 74179 84776 134914 137761 145292 148358 269828 275522 290584 296716 472199 539656 551044 593432 944398 964327 1102088 1888796 1928654 3777592 3857308 7714616 54987833 109975666 219951332 384914831 439902664 714841829 769829662 1429683658 1539659324 2859367316 3079318648 5003892803 5718734632 10007785606 20015571212 40031142424