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42780202529 = 791493362707
BaseRepresentation
bin100111110101111001…
…100001011000100001
311002102102111110101112
4213311321201120201
51200103212440104
631353012113105
73043063502351
oct476571413041
9132372443345
1042780202529
1117163344389
12835b005795
13405a06a60c
1420db91ab61
1511a5b1086e
hex9f5e61621

42780202529 has 8 divisors (see below), whose sum is σ = 43350860160. Its totient is φ = 42210273456.

The previous prime is 42780202471. The next prime is 42780202559. The reversal of 42780202529 is 92520208724.

42780202529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42780202529 - 228 = 42511767073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42780202559) 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, 63407 + ... + 299300.

It is an arithmetic number, because the mean of its divisors is an integer number (5418857520).

Almost surely, 242780202529 is an apocalyptic number.

It is an amenable number.

42780202529 is a deficient number, since it is larger than the sum of its proper divisors (570657631).

42780202529 is a wasteful number, since it uses less digits than its factorization.

42780202529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364279.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 42780202529 in words is "forty-two billion, seven hundred eighty million, two hundred two thousand, five hundred twenty-nine".

Divisors: 1 79 1493 117947 362707 28653853 541521551 42780202529