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40286363138 = 27192343153137
BaseRepresentation
bin100101100001010000…
…010001111000000010
310211222121220021212122
4211201100101320002
51130001302110023
630301324324242
72624222302520
oct454120217002
9124877807778
1040286363138
11160a366899a
1279839a3682
133a504b72c8
141d42631310
1510abc002c8
hex961411e02

40286363138 has 64 divisors (see below), whose sum is σ = 77622589440. Its totient is φ = 15281747712.

The previous prime is 40286363137. The next prime is 40286363153. The reversal of 40286363138 is 83136368204.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40286363137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186506 + ... + 339642.

It is an arithmetic number, because the mean of its divisors is an integer number (1212852960).

Almost surely, 240286363138 is an apocalyptic number.

40286363138 is a deficient number, since it is larger than the sum of its proper divisors (37336226302).

40286363138 is a wasteful number, since it uses less digits than its factorization.

40286363138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153231.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 40286363138 in words is "forty billion, two hundred eighty-six million, three hundred sixty-three thousand, one hundred thirty-eight".

Divisors: 1 2 7 14 19 23 38 43 46 86 133 161 266 301 322 437 602 817 874 989 1634 1978 3059 5719 6118 6923 11438 13846 18791 37582 131537 153137 263074 306274 1071959 2143918 2909603 3522151 5819206 6584891 7044302 13169782 20367221 24655057 40734442 46094237 49310114 66920869 92188474 125112929 133841738 151452493 250225858 302904986 468446083 875790503 936892166 1060167451 1751581006 2120334902 2877597367 5755194734 20143181569 40286363138