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16138430652473 = 136991117806503
BaseRepresentation
bin1110101011011000010101…
…1011010010000000111001
32010010211002222110120101022
43222312011123102000321
54103403001221334343
654153520453232225
73253651233111533
oct352660533220071
963124088416338
1016138430652473
1151622a7414588
12198789b932675
13900b02bb74ac
143db165d54853
151cebe6e55568
hexead856d2039

16138430652473 has 4 divisors (see below), whose sum is σ = 16138548595968. Its totient is φ = 16138312708980.

The previous prime is 16138430652451. The next prime is 16138430652511. The reversal of 16138430652473 is 37425603483161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16138430652473 - 222 = 16138426458169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16138430622473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58766261 + ... + 59040242.

It is an arithmetic number, because the mean of its divisors is an integer number (4034637148992).

Almost surely, 216138430652473 is an apocalyptic number.

It is an amenable number.

16138430652473 is a deficient number, since it is larger than the sum of its proper divisors (117943495).

16138430652473 is a wasteful number, since it uses less digits than its factorization.

16138430652473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117943494.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 16138430652473 in words is "sixteen trillion, one hundred thirty-eight billion, four hundred thirty million, six hundred fifty-two thousand, four hundred seventy-three".

Divisors: 1 136991 117806503 16138430652473