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42207000040 = 2351318054771
BaseRepresentation
bin100111010011101110…
…111011010111101000
311000221110220202101201
4213103232323113220
51142414443000130
631220054253544
73022633403152
oct472356732750
9130843822351
1042207000040
1116999829917
12821b0572b4
133c9839514a
14208574bad2
151170637bca
hex9d3bbb5e8

42207000040 has 32 divisors (see below), whose sum is σ = 95690691360. Its totient is φ = 16753921600.

The previous prime is 42207000037. The next prime is 42207000079. The reversal of 42207000040 is 4000070224.

It is a junction number, because it is equal to n+sod(n) for n = 42206999981 and 42207000017.

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, 4022146 + ... + 4032625.

It is an arithmetic number, because the mean of its divisors is an integer number (2990334105).

Almost surely, 242207000040 is an apocalyptic number.

42207000040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42207000040 is an abundant number, since it is smaller than the sum of its proper divisors (53483691320).

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

42207000040 is a wasteful number, since it uses less digits than its factorization.

42207000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8054913 (or 8054909 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

Adding to 42207000040 its reverse (4000070224), we get a palindrome (46207070264).

The spelling of 42207000040 in words is "forty-two billion, two hundred seven million, forty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 40 131 262 524 655 1048 1310 2620 5240 8054771 16109542 32219084 40273855 64438168 80547710 161095420 322190840 1055175001 2110350002 4220700004 5275875005 8441400008 10551750010 21103500020 42207000040