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308613247042 = 2794874010777
BaseRepresentation
bin1000111110110101100…
…10000111000001000010
31002111120210021022102211
410133122302013001002
520024014442401132
6353435220532334
731203503213632
oct4373262070102
91074523238384
10308613247042
11109978150291
124b989b510aa
13231434280a9
1410d190406c2
158063942147
hex47dac87042

308613247042 has 16 divisors (see below), whose sum is σ = 469742319360. Its totient is φ = 152040496608.

The previous prime is 308613247031. The next prime is 308613247067. The reversal of 308613247042 is 240742316803.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 308613246986 and 308613247004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928443 + ... + 2082334.

It is an arithmetic number, because the mean of its divisors is an integer number (29358894960).

Almost surely, 2308613247042 is an apocalyptic number.

308613247042 is a deficient number, since it is larger than the sum of its proper divisors (161129072318).

308613247042 is a wasteful number, since it uses less digits than its factorization.

308613247042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011345.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 308613247042 in words is "three hundred eight billion, six hundred thirteen million, two hundred forty-seven thousand, forty-two".

Divisors: 1 2 79 158 487 974 38473 76946 4010777 8021554 316851383 633702766 1953248399 3906496798 154306623521 308613247042