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40471858731 = 3436712736871
BaseRepresentation
bin100101101100010011…
…111000111000101011
310212110112221102222210
4211230103320320223
51130341243434411
630331552220203
72631634060143
oct455423707053
9125415842883
1040471858731
1116189344537
127a15b3a663
133a7ca63705
141d5d119923
1510bd141ca6
hex96c4f8e2b

40471858731 has 32 divisors (see below), whose sum is σ = 56484364288. Its totient is φ = 25755317280.

The previous prime is 40471858723. The next prime is 40471858799. The reversal of 40471858731 is 13785817404.

It is not a de Polignac number, because 40471858731 - 23 = 40471858723 is a prime.

It is a super-2 number, since 2×404718587312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40471858331) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1079226 + ... + 1116096.

It is an arithmetic number, because the mean of its divisors is an integer number (1765136384).

Almost surely, 240471858731 is an apocalyptic number.

40471858731 is a deficient number, since it is larger than the sum of its proper divisors (16012505557).

40471858731 is a wasteful number, since it uses less digits than its factorization.

40471858731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37111.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 40471858731 in words is "forty billion, four hundred seventy-one million, eight hundred fifty-eight thousand, seven hundred thirty-one".

Divisors: 1 3 43 67 127 129 201 381 2881 5461 8509 8643 16383 25527 36871 110613 365887 1097661 1585453 2470357 4682617 4756359 7411071 14047851 106225351 201352531 313735339 318676053 604057593 941206017 13490619577 40471858731