Search a number
-
+
40745152030640 = 2453547143590189
BaseRepresentation
bin10010100001110101110000…
…10100000010011110110000
312100021012100200221012221112
421100322320110002132300
520320032032404440030
6222354021530212452
711403511564563401
oct1120727024023660
9170235320835845
1040745152030640
1111a89a16108672
1246a0824b84128
1319973362a5aa5
14a0c10c3059a8
154a9d1cc43a95
hex250eb85027b0

40745152030640 has 40 divisors (see below), whose sum is σ = 94759186906320. Its totient is φ = 16293465812736.

The previous prime is 40745152030631. The next prime is 40745152030727. The reversal of 40745152030640 is 4603025154704.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 71511335 + ... + 72078854.

It is an arithmetic number, because the mean of its divisors is an integer number (2368979672658).

Almost surely, 240745152030640 is an apocalyptic number.

40745152030640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40745152030640 is an abundant number, since it is smaller than the sum of its proper divisors (54014034875680).

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

40745152030640 is a wasteful number, since it uses less digits than its factorization.

40745152030640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143593749 (or 143593743 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 40745152030640 in words is "forty trillion, seven hundred forty-five billion, one hundred fifty-two million, thirty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3547 7094 14188 17735 28376 35470 56752 70940 141880 283760 143590189 287180378 574360756 717950945 1148721512 1435901890 2297443024 2871803780 5743607560 11487215120 509314400383 1018628800766 2037257601532 2546572001915 4074515203064 5093144003830 8149030406128 10186288007660 20372576015320 40745152030640