Search a number
-
+
420875648283 = 3229612628309
BaseRepresentation
bin1100001111111100010…
…01001011110100011011
31111020100112210011212110
412013332021023310123
523343423131221113
6521203025443403
742256455661236
oct6077611136433
91436315704773
10420875648283
11152546370992
126969a4a0563
13308c456454c
14165288a641d
15ae34480bc3
hex61fe24bd1b

420875648283 has 8 divisors (see below), whose sum is σ = 563618045200. Its totient is φ = 279358508448.

The previous prime is 420875648213. The next prime is 420875648287. The reversal of 420875648283 is 382846578024.

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

It is not a de Polignac number, because 420875648283 - 28 = 420875648027 is a prime.

It is a super-2 number, since 2×4208756482832 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420875648287) 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, 306313468 + ... + 306314841.

It is an arithmetic number, because the mean of its divisors is an integer number (70452255650).

Almost surely, 2420875648283 is an apocalyptic number.

420875648283 is a deficient number, since it is larger than the sum of its proper divisors (142742396917).

420875648283 is a wasteful number, since it uses less digits than its factorization.

420875648283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612628541.

The product of its (nonzero) digits is 20643840, while the sum is 57.

The spelling of 420875648283 in words is "four hundred twenty billion, eight hundred seventy-five million, six hundred forty-eight thousand, two hundred eighty-three".

Divisors: 1 3 229 687 612628309 1837884927 140291882761 420875648283