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42699308140 = 2254152072327
BaseRepresentation
bin100111110001000100…
…111011110001101100
311002012210021121011001
4213301010323301230
51144422010330030
631341002210044
73041062062556
oct476104736154
9132183247131
1042699308140
1117121712215
128337ab3924
134046386108
1420d0ca04d6
15119d981cca
hex9f113bc6c

42699308140 has 24 divisors (see below), whose sum is σ = 91855586592. Its totient is φ = 16663144320.

The previous prime is 42699308137. The next prime is 42699308149. The reversal of 42699308140 is 4180399624.

It is not an unprimeable number, because it can be changed into a prime (42699308149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26035344 + ... + 26036983.

It is an arithmetic number, because the mean of its divisors is an integer number (3827316108).

Almost surely, 242699308140 is an apocalyptic number.

It is an amenable number.

42699308140 is an abundant number, since it is smaller than the sum of its proper divisors (49156278452).

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

42699308140 is a wasteful number, since it uses less digits than its factorization.

42699308140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52072377 (or 52072375 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 42699308140 in words is "forty-two billion, six hundred ninety-nine million, three hundred eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 52072327 104144654 208289308 260361635 520723270 1041446540 2134965407 4269930814 8539861628 10674827035 21349654070 42699308140