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42840059451 = 372936962467
BaseRepresentation
bin100111111001011101…
…110110111000111011
311002120121010111122120
4213321131312320323
51200214023400301
631402551052323
73044421332340
oct477135667073
9132517114576
1042840059451
1117194107812
1283770710a3
134069597407
14210585c7c7
1511aaed5e36
hex9f9776e3b

42840059451 has 16 divisors (see below), whose sum is σ = 65502898944. Its totient is φ = 24396480864.

The previous prime is 42840059443. The next prime is 42840059461. The reversal of 42840059451 is 15495004824.

It is not a de Polignac number, because 42840059451 - 23 = 42840059443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42840059401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3475081 + ... + 3487386.

It is an arithmetic number, because the mean of its divisors is an integer number (4093931184).

Almost surely, 242840059451 is an apocalyptic number.

42840059451 is a deficient number, since it is larger than the sum of its proper divisors (22662839493).

42840059451 is a wasteful number, since it uses less digits than its factorization.

42840059451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962770.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 42840059451 in words is "forty-two billion, eight hundred forty million, fifty-nine thousand, four hundred fifty-one".

Divisors: 1 3 7 21 293 879 2051 6153 6962467 20887401 48737269 146211807 2040002831 6120008493 14280019817 42840059451