Search a number
-
+
32020013040 = 2435235800727
BaseRepresentation
bin11101110100100010…
…101001111111110000
310001122112022012022220
4131310202221333300
51011034110404130
622413152001040
72212325422461
oct356442517760
9101575265286
1032020013040
111264150a7a4
126257530180
133033a287a2
14179a832d68
15c76141410
hex7748a9ff0

32020013040 has 80 divisors (see below), whose sum is σ = 103577799168. Its totient is φ = 8167422208.

The previous prime is 32020013033. The next prime is 32020013147. The reversal of 32020013040 is 4031002023.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2894844 + ... + 2905883.

Almost surely, 232020013040 is an apocalyptic number.

32020013040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32020013040 is an abundant number, since it is smaller than the sum of its proper divisors (71557786128).

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

32020013040 is a wasteful number, since it uses less digits than its factorization.

32020013040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800766 (or 5800760 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 32020013040 its reverse (4031002023), we get a palindrome (36051015063).

The spelling of 32020013040 in words is "thirty-two billion, twenty million, thirteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 40 46 48 60 69 80 92 115 120 138 184 230 240 276 345 368 460 552 690 920 1104 1380 1840 2760 5520 5800727 11601454 17402181 23202908 29003635 34804362 46405816 58007270 69608724 87010905 92811632 116014540 133416721 139217448 174021810 232029080 266833442 278434896 348043620 400250163 464058160 533666884 667083605 696087240 800500326 1067333768 1334167210 1392174480 1601000652 2001250815 2134667536 2668334420 3202001304 4002501630 5336668840 6404002608 8005003260 10673337680 16010006520 32020013040