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40312342140 = 22357213711681
BaseRepresentation
bin100101100010110011…
…011000011001111100
310212001102210011100220
4211202303120121330
51130024424422030
630304053221340
72624656153200
oct454263303174
9125042704326
1040312342140
11161072a2344
127990631850
133a559b1cb5
141d45c74b00
1510ae132a10
hex962cd867c

40312342140 has 72 divisors (see below), whose sum is σ = 131303066832. Its totient is φ = 9214248960.

The previous prime is 40312342111. The next prime is 40312342171. The reversal of 40312342140 is 4124321304.

40312342140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40312342140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6852901 + ... + 6858780.

It is an arithmetic number, because the mean of its divisors is an integer number (1823653706).

Almost surely, 240312342140 is an apocalyptic number.

It is an amenable number.

40312342140 is an abundant number, since it is smaller than the sum of its proper divisors (90990724692).

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

40312342140 is a wasteful number, since it uses less digits than its factorization.

40312342140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13711707 (or 13711698 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40312342140 its reverse (4124321304), we get a palindrome (44436663444).

The spelling of 40312342140 in words is "forty billion, three hundred twelve million, three hundred forty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 13711681 27423362 41135043 54846724 68558405 82270086 95981767 137116810 164540172 191963534 205675215 274233620 287945301 383927068 411350430 479908835 575890602 671872369 822700860 959817670 1151781204 1343744738 1439726505 1919635340 2015617107 2687489476 2879453010 3359361845 4031234214 5758906020 6718723690 8062468428 10078085535 13437447380 20156171070 40312342140