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42728305462 = 221364152731
BaseRepresentation
bin100111110010110011…
…100011001100110110
311002021210211210222221
4213302303203030312
51200001421233322
631343515512554
73041563414063
oct476263431466
9132253753887
1042728305462
1117137018347
12834575875a
13404c3998ab
1420d4a8bc6a
1511a12ad9c7
hex9f2ce3336

42728305462 has 4 divisors (see below), whose sum is σ = 64092458196. Its totient is φ = 21364152730.

The previous prime is 42728305457. The next prime is 42728305481. The reversal of 42728305462 is 26450382724.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10682076364 + ... + 10682076367.

It is an arithmetic number, because the mean of its divisors is an integer number (16023114549).

Almost surely, 242728305462 is an apocalyptic number.

42728305462 is a deficient number, since it is larger than the sum of its proper divisors (21364152734).

42728305462 is a wasteful number, since it uses less digits than its factorization.

42728305462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21364152733.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 42728305462 in words is "forty-two billion, seven hundred twenty-eight million, three hundred five thousand, four hundred sixty-two".

Divisors: 1 2 21364152731 42728305462