Search a number
-
+
40128162583 = 1923237138729
BaseRepresentation
bin100101010111110100…
…110010101100010111
310211120121012212111211
4211113310302230113
51124140302200313
630233513442251
72620261516435
oct452764625427
9124517185454
1040128162583
1116022335533
12793aa10387
133a267a6902
141d2960dd55
15109cda0e3d
hex957d32b17

40128162583 has 16 divisors (see below), whose sum is σ = 44096428800. Its totient is φ = 36347002560.

The previous prime is 40128162577. The next prime is 40128162611. The reversal of 40128162583 is 38526182104.

It is a cyclic number.

It is not a de Polignac number, because 40128162583 - 25 = 40128162551 is a prime.

It is a super-2 number, since 2×401281625832 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40128162883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1016763 + ... + 1055491.

It is an arithmetic number, because the mean of its divisors is an integer number (2756026800).

Almost surely, 240128162583 is an apocalyptic number.

40128162583 is a deficient number, since it is larger than the sum of its proper divisors (3968266217).

40128162583 is a wasteful number, since it uses less digits than its factorization.

40128162583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41142.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 40128162583 in words is "forty billion, one hundred twenty-eight million, one hundred sixty-two thousand, five hundred eighty-three".

Divisors: 1 19 23 437 2371 38729 45049 54533 735851 890767 1036127 16924573 91826459 1744702721 2112008557 40128162583