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40020242205 = 3531471831171
BaseRepresentation
bin100101010001011001…
…000110111100011101
310211022002010221120210
4211101121012330131
51123430140222310
630215100403033
72614511305656
oct452131067435
9124262127523
1040020242205
1115a77424339
12790a846479
133a0a31bcb8
141d1915a52d
151093684820
hex951646f1d

40020242205 has 32 divisors (see below), whose sum is σ = 67504324608. Its totient is φ = 20216116800.

The previous prime is 40020242191. The next prime is 40020242221. The reversal of 40020242205 is 50224202004.

40020242205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40020242205 - 24 = 40020242189 is a prime.

It is a super-2 number, since 2×400202422052 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 893731 + ... + 937440.

It is an arithmetic number, because the mean of its divisors is an integer number (2109510144).

Almost surely, 240020242205 is an apocalyptic number.

It is an amenable number.

40020242205 is a deficient number, since it is larger than the sum of its proper divisors (27484082403).

40020242205 is a wasteful number, since it uses less digits than its factorization.

40020242205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831257.

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 40020242205 its reverse (50224202004), we get a palindrome (90244444209).

The spelling of 40020242205 in words is "forty billion, twenty million, two hundred forty-two thousand, two hundred five".

Divisors: 1 3 5 15 31 47 93 141 155 235 465 705 1457 4371 7285 21855 1831171 5493513 9155855 27467565 56766301 86065037 170298903 258195111 283831505 430325185 851494515 1290975555 2668016147 8004048441 13340080735 40020242205