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681230049118 = 2445776422487
BaseRepresentation
bin10011110100111000111…
…10011001111101011110
32102010101002112002122221
421322130132121331132
542130124343032433
61240541444055554
7100134341606443
oct11723436317536
92363332462587
10681230049118
112429a966a7a3
12b003a6945ba
134c316877c28
1424d865319ca
1512ac131072d
hex9e9c799f5e

681230049118 has 8 divisors (see below), whose sum is σ = 1022074354512. Its totient is φ = 340538597616.

The previous prime is 681230049089. The next prime is 681230049133. The reversal of 681230049118 is 811940032186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38202330 + ... + 38220157.

It is an arithmetic number, because the mean of its divisors is an integer number (127759294314).

Almost surely, 2681230049118 is an apocalyptic number.

681230049118 is a deficient number, since it is larger than the sum of its proper divisors (340844305394).

681230049118 is a wasteful number, since it uses less digits than its factorization.

681230049118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76426946.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 681230049118 in words is "six hundred eighty-one billion, two hundred thirty million, forty-nine thousand, one hundred eighteen".

Divisors: 1 2 4457 8914 76422487 152844974 340615024559 681230049118