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40641257711 = 1392631111723
BaseRepresentation
bin100101110110011010…
…000110000011101111
310212220100200210201002
4211312122012003233
51131213130221321
630400443110515
72636061663545
oct456632060357
9125810623632
1040641257711
1116265a2649a
127a6281243b
133aa8b952b2
141d77813d95
1510cce5420b
hex9766860ef

40641257711 has 8 divisors (see below), whose sum is σ = 41089319040. Its totient is φ = 40195420632.

The previous prime is 40641257677. The next prime is 40641257759. The reversal of 40641257711 is 11775214604.

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

It is not a de Polignac number, because 40641257711 - 210 = 40641256687 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 (40641251711) 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 7 ways as a sum of consecutive naturals, for example, 519305 + ... + 592418.

It is an arithmetic number, because the mean of its divisors is an integer number (5136164880).

Almost surely, 240641257711 is an apocalyptic number.

40641257711 is a deficient number, since it is larger than the sum of its proper divisors (448061329).

40641257711 is a wasteful number, since it uses less digits than its factorization.

40641257711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112125.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 40641257711 in words is "forty billion, six hundred forty-one million, two hundred fifty-seven thousand, seven hundred eleven".

Divisors: 1 139 263 36557 1111723 154529497 292383149 40641257711