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40023210140 = 22513714607011
BaseRepresentation
bin100101010001100100…
…011011100010011100
310211022021201201211022
4211101210123202130
51123431420211030
630215244143312
72614545446564
oct452144334234
9124267651738
1040023210140
1115a79071181
12790b837b38
133a0ab1ab84
141d196cdda4
151093a6dde5
hex95191b89c

40023210140 has 24 divisors (see below), whose sum is σ = 84662241552. Its totient is φ = 15892426880.

The previous prime is 40023210119. The next prime is 40023210163. The reversal of 40023210140 is 4101232004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7300766 + ... + 7306245.

It is an arithmetic number, because the mean of its divisors is an integer number (3527593398).

Almost surely, 240023210140 is an apocalyptic number.

It is an amenable number.

40023210140 is an abundant number, since it is smaller than the sum of its proper divisors (44639031412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40023210140 is a wasteful number, since it uses less digits than its factorization.

40023210140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14607157 (or 14607155 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40023210140 its reverse (4101232004), we get a palindrome (44124442144).

The spelling of 40023210140 in words is "forty billion, twenty-three million, two hundred ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 14607011 29214022 58428044 73035055 146070110 292140220 2001160507 4002321014 8004642028 10005802535 20011605070 40023210140