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124971421311 = 32112354884243
BaseRepresentation
bin111010001100011100…
…0001000111001111111
3102221120110202222110200
41310120320020321333
54021420140440221
6133224443134543
712012623361042
oct1643070107177
9387513688420
10124971421311
1149000122580
1220278814453
13ba2814ab99
1460976c8c59
1533b6664426
hex1d18e08e7f

124971421311 has 24 divisors (see below), whose sum is σ = 205486609536. Its totient is φ = 72447199440.

The previous prime is 124971421283. The next prime is 124971421331. The reversal of 124971421311 is 113124179421.

124971421311 is a `hidden beast` number, since 1 + 2 + 497 + 142 + 13 + 11 = 666.

It is not a de Polignac number, because 124971421311 - 215 = 124971388543 is a prime.

It is a super-2 number, since 2×1249714213112 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124971421331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27439845 + ... + 27444398.

It is an arithmetic number, because the mean of its divisors is an integer number (8561942064).

Almost surely, 2124971421311 is an apocalyptic number.

124971421311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124971421311 is a deficient number, since it is larger than the sum of its proper divisors (80515188225).

124971421311 is a wasteful number, since it uses less digits than its factorization.

124971421311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54884283 (or 54884280 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The spelling of 124971421311 in words is "one hundred twenty-four billion, nine hundred seventy-one million, four hundred twenty-one thousand, three hundred eleven".

Divisors: 1 3 9 11 23 33 69 99 207 253 759 2277 54884243 164652729 493958187 603726673 1262337589 1811180019 3787012767 5433540057 11361038301 13885713479 41657140437 124971421311