Search a number
-
+
42920689476 = 2237510960589
BaseRepresentation
bin100111111110010001…
…011011111101000100
311002210012211221020210
4213332101123331010
51200400144030401
631414551155420
73046420561320
oct477621337504
9132705757223
1042920689476
11172256792a5
12839a075b70
1340801b84a2
14211244a980
1511b31114d6
hex9fe45bf44

42920689476 has 24 divisors (see below), whose sum is σ = 114455172160. Its totient is φ = 12263054112.

The previous prime is 42920689457. The next prime is 42920689477. The reversal of 42920689476 is 67498602924.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42920689477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255480211 + ... + 255480378.

Almost surely, 242920689476 is an apocalyptic number.

It is an amenable number.

42920689476 is an abundant number, since it is smaller than the sum of its proper divisors (71534482684).

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

42920689476 is a wasteful number, since it uses less digits than its factorization.

42920689476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510960603 (or 510960601 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 42920689476 in words is "forty-two billion, nine hundred twenty million, six hundred eighty-nine thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 510960589 1021921178 1532881767 2043842356 3065763534 3576724123 6131527068 7153448246 10730172369 14306896492 21460344738 42920689476