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766742430042 = 232271115712579
BaseRepresentation
bin10110010100001010110…
…10010000000101011010
32201022002121011010201100
423022011122100011122
5100030242030230132
61344123035132230
7106252410056451
oct13120532200532
92638077133640
10766742430042
112761a0127196
121047245a4076
13573c3a39bb4
1429179427b98
1514e286e737c
hexb28569015a

766742430042 has 24 divisors (see below), whose sum is σ = 1661888161440. Its totient is φ = 255486518280.

The previous prime is 766742430037. The next prime is 766742430043. The reversal of 766742430042 is 240034247667.

It is a super-2 number, since 2×7667424300422 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 766742430042.

It is not an unprimeable number, because it can be changed into a prime (766742430043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7807492 + ... + 7905087.

It is an arithmetic number, because the mean of its divisors is an integer number (69245340060).

Almost surely, 2766742430042 is an apocalyptic number.

766742430042 is an abundant number, since it is smaller than the sum of its proper divisors (895145731398).

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

766742430042 is a wasteful number, since it uses less digits than its factorization.

766742430042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15715298 (or 15715295 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 45.

The spelling of 766742430042 in words is "seven hundred sixty-six billion, seven hundred forty-two million, four hundred thirty thousand, forty-two".

Divisors: 1 2 3 6 9 18 2711 5422 8133 16266 24399 48798 15712579 31425158 47137737 94275474 141413211 282826422 42596801669 85193603338 127790405007 255580810014 383371215021 766742430042