Search a number
-
+
42015455511140 = 2252100772775557
BaseRepresentation
bin10011000110110011111000…
…10011010000001001100100
312111202122020100001011210002
421203121330103100021210
521001340123102324030
6225205344522320432
711564342104163036
oct1143317423201144
9174678210034702
1042015455511140
1112429722328161
124866a63059118
131a5a06ab541a7
14a537b7883c56
154ccdb99da245
hex26367c4d0264

42015455511140 has 12 divisors (see below), whose sum is σ = 88232456573436. Its totient is φ = 16806182204448.

The previous prime is 42015455511089. The next prime is 42015455511157. The reversal of 42015455511140 is 4111555451024.

It can be written as a sum of positive squares in 2 ways, for example, as 5394851673124 + 36620603838016 = 2322682^2 + 6051496^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42015455511094 and 42015455511103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050386387759 + ... + 1050386387798.

It is an arithmetic number, because the mean of its divisors is an integer number (7352704714453).

Almost surely, 242015455511140 is an apocalyptic number.

It is an amenable number.

42015455511140 is an abundant number, since it is smaller than the sum of its proper divisors (46217001062296).

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

42015455511140 is a wasteful number, since it uses less digits than its factorization.

42015455511140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100772775566 (or 2100772775564 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 38.

The spelling of 42015455511140 in words is "forty-two trillion, fifteen billion, four hundred fifty-five million, five hundred eleven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2100772775557 4201545551114 8403091102228 10503863877785 21007727755570 42015455511140