Search a number
-
+
42408074475 = 3552132337631
BaseRepresentation
bin100111011111101101…
…111101110011101011
311001110111021101200000
4213133231331303223
51143322431340400
631252040114043
73030624454044
oct473755756353
9131414241600
1042408074475
1116a92286038
128276465923
133ccac374c0
1420a432d8cb
151183105600
hex9dfb7dceb

42408074475 has 288 divisors, whose sum is σ = 91054838784. Its totient is φ = 19399564800.

The previous prime is 42408074473. The next prime is 42408074477. The reversal of 42408074475 is 57447080424.

It is an interprime number because it is at equal distance from previous prime (42408074473) and next prime (42408074477).

It is not a de Polignac number, because 42408074475 - 21 = 42408074473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42408074475.

It is not an unprimeable number, because it can be changed into a prime (42408074473) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 67207410 + ... + 67208040.

Almost surely, 242408074475 is an apocalyptic number.

42408074475 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42408074475 is an abundant number, since it is smaller than the sum of its proper divisors (48646764309).

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

42408074475 is a wasteful number, since it uses less digits than its factorization.

42408074475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 45.

The spelling of 42408074475 in words is "forty-two billion, four hundred eight million, seventy-four thousand, four hundred seventy-five".