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72148964091673 = 752119783099559
BaseRepresentation
bin10000011001111001111101…
…011000000010011100011001
3100110110101002100200112120011
4100121321331120002130121
533424042034301413143
6413240435422001521
721124406406024340
oct2031717530023431
9313411070615504
1072148964091673
1120a97227345877
128112b521162a1
13313480601a001
1413b605828cb57
15851b6067be9d
hex419e7d602719

72148964091673 has 8 divisors (see below), whose sum is σ = 82614223762560. Its totient is φ = 61723270620960.

The previous prime is 72148964091653. The next prime is 72148964091769. The reversal of 72148964091673 is 37619046984127.

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 72148964091673 - 29 = 72148964091161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72148964091599 and 72148964091608.

It is not an unprimeable number, because it can be changed into a prime (72148964091643) 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, 9891546133 + ... + 9891553426.

It is an arithmetic number, because the mean of its divisors is an integer number (10326777970320).

Almost surely, 272148964091673 is an apocalyptic number.

It is an amenable number.

72148964091673 is a deficient number, since it is larger than the sum of its proper divisors (10465259670887).

72148964091673 is a wasteful number, since it uses less digits than its factorization.

72148964091673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19783100087.

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 72148964091673 in words is "seventy-two trillion, one hundred forty-eight billion, nine hundred sixty-four million, ninety-one thousand, six hundred seventy-three".

Divisors: 1 7 521 3647 19783099559 138481696913 10306994870239 72148964091673