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40542550541 = 311507786743
BaseRepresentation
bin100101110000100001…
…100011101000001101
310212122110221221220222
4211300201203220031
51131012343104131
630342555321125
72633452664543
oct456041435015
9125573857828
1040542550541
1116215238319
127a357501a5
133a915b509c
141d6867bd93
1510c445787b
hex970863a0d

40542550541 has 8 divisors (see below), whose sum is σ = 41853633024. Its totient is φ = 39231671760.

The previous prime is 40542550513. The next prime is 40542550549. The reversal of 40542550541 is 14505524504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40542550541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40542550549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424016 + ... + 510758.

It is an arithmetic number, because the mean of its divisors is an integer number (5231704128).

Almost surely, 240542550541 is an apocalyptic number.

It is an amenable number.

40542550541 is a deficient number, since it is larger than the sum of its proper divisors (1311082483).

40542550541 is a wasteful number, since it uses less digits than its factorization.

40542550541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101851.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 40542550541 in words is "forty billion, five hundred forty-two million, five hundred fifty thousand, five hundred forty-one".

Divisors: 1 31 15077 86743 467387 2689033 1307824211 40542550541