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40103420431 = 571145348337
BaseRepresentation
bin100101010110010110…
…011010001000001111
310211111212122211122211
4211112112122020033
51124112433423211
630231231251251
72616541310044
oct452626321017
9124455584584
1040103420431
111600a376378
127932679b27
133a21622b99
141d2620d1cb
15109ab14e21
hex95659a20f

40103420431 has 8 divisors (see below), whose sum is σ = 40202134544. Its totient is φ = 40004807040.

The previous prime is 40103420429. The next prime is 40103420447. The reversal of 40103420431 is 13402430104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40103420431 - 21 = 40103420429 is a prime.

It is a super-2 number, since 2×401034204312 (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 (40103420531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805495 + ... + 853831.

It is an arithmetic number, because the mean of its divisors is an integer number (5025266818).

Almost surely, 240103420431 is an apocalyptic number.

40103420431 is a deficient number, since it is larger than the sum of its proper divisors (98714113).

40103420431 is a wasteful number, since it uses less digits than its factorization.

40103420431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50361.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40103420431 its reverse (13402430104), we get a palindrome (53505850535).

The spelling of 40103420431 in words is "forty billion, one hundred three million, four hundred twenty thousand, four hundred thirty-one".

Divisors: 1 571 1453 48337 829663 27600427 70233661 40103420431