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40130787445 = 571181970867
BaseRepresentation
bin100101010111111110…
…110011100001110101
310211120210011020010221
4211113332303201311
51124141440144240
630234050014341
72620323031210
oct452776634165
9124523136127
1040130787445
1116023868641
12793b8773b1
133a271b5598
141d29ad4777
15109d21da4a
hex957fb3875

40130787445 has 16 divisors (see below), whose sum is σ = 55083166848. Its totient is φ = 27494925120.

The previous prime is 40130787443. The next prime is 40130787533. The reversal of 40130787445 is 54478703104.

It is not a de Polignac number, because 40130787445 - 21 = 40130787443 is a prime.

It is a super-2 number, since 2×401307874452 (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 (40130787443) 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, 444099 + ... + 526768.

It is an arithmetic number, because the mean of its divisors is an integer number (3442697928).

Almost surely, 240130787445 is an apocalyptic number.

It is an amenable number.

40130787445 is a deficient number, since it is larger than the sum of its proper divisors (14952379403).

40130787445 is a wasteful number, since it uses less digits than its factorization.

40130787445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972060.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 40130787445 in words is "forty billion, one hundred thirty million, seven hundred eighty-seven thousand, four hundred forty-five".

Divisors: 1 5 7 35 1181 5905 8267 41335 970867 4854335 6796069 33980345 1146593927 5732969635 8026157489 40130787445