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124342431311 = 73362514377
BaseRepresentation
bin111001111001101100…
…0101110111001001111
3102212221122012222101202
41303303120232321033
54014123130300221
6133042213500115
711661215141000
oct1636330567117
9385848188352
10124342431311
114880807402a
122012204163b
13b957a41c57
146037d571a7
15337b31bd0b
hex1cf362ee4f

124342431311 has 8 divisors (see below), whose sum is σ = 145005751200. Its totient is φ = 106579226544.

The previous prime is 124342431289. The next prime is 124342431371. The reversal of 124342431311 is 113134243421.

It is not a de Polignac number, because 124342431311 - 210 = 124342430287 is a prime.

It is a super-2 number, since 2×1243424313112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124342431371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181256846 + ... + 181257531.

It is an arithmetic number, because the mean of its divisors is an integer number (18125718900).

Almost surely, 2124342431311 is an apocalyptic number.

124342431311 is a deficient number, since it is larger than the sum of its proper divisors (20663319889).

124342431311 is an frugal number, since it uses more digits than its factorization.

124342431311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362514398 (or 362514384 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 124342431311 its reverse (113134243421), we get a palindrome (237476674732).

The spelling of 124342431311 in words is "one hundred twenty-four billion, three hundred forty-two million, four hundred thirty-one thousand, three hundred eleven".

Divisors: 1 7 49 343 362514377 2537600639 17763204473 124342431311