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72741694943 = 457669123789
BaseRepresentation
bin100001110111110111…
…1100010110111011111
320221202111022222021202
41003233233202313133
52142433333214233
653230030550115
75153415130241
oct1035757426737
9227674288252
1072741694943
1128938877065
121212106833b
136b2346c258
143740bc0091
151d5b17ebe8
hex10efbe2ddf

72741694943 has 8 divisors (see below), whose sum is σ = 72914827440. Its totient is φ = 72568624320.

The previous prime is 72741694849. The next prime is 72741694951. The reversal of 72741694943 is 34949614727.

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

It is a cyclic number.

It is not a de Polignac number, because 72741694943 - 28 = 72741694687 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72741691943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3045893 + ... + 3069681.

It is an arithmetic number, because the mean of its divisors is an integer number (9114353430).

Almost surely, 272741694943 is an apocalyptic number.

72741694943 is a deficient number, since it is larger than the sum of its proper divisors (173132497).

72741694943 is a wasteful number, since it uses less digits than its factorization.

72741694943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30937.

The product of its digits is 9144576, while the sum is 56.

The spelling of 72741694943 in words is "seventy-two billion, seven hundred forty-one million, six hundred ninety-four thousand, nine hundred forty-three".

Divisors: 1 457 6691 23789 3057787 10871573 159172199 72741694943