Search a number
-
+
124402412431 = 1123727787003
BaseRepresentation
bin111001111011011110…
…1100010101110001111
3102220002211002100000201
41303312331202232033
54014234004144211
6133052155234331
711662544026033
oct1636675425617
9386084070021
10124402412431
1148838a11800
122013a1489a7
13b9672b343b
146041ccc1c3
1533817190c1
hex1cf6f62b8f

124402412431 has 12 divisors (see below), whose sum is σ = 140435518216. Its totient is φ = 110036527920.

The previous prime is 124402412413. The next prime is 124402412441. The reversal of 124402412431 is 134214204421.

It is not a de Polignac number, because 124402412431 - 29 = 124402411919 is a prime.

It is a super-2 number, since 2×1244024124312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124402412431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124402412441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13889025 + ... + 13897978.

Almost surely, 2124402412431 is an apocalyptic number.

124402412431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124402412431 is a deficient number, since it is larger than the sum of its proper divisors (16033105785).

124402412431 is a wasteful number, since it uses less digits than its factorization.

124402412431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27787062 (or 27787051 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 124402412431 its reverse (134214204421), we get a palindrome (258616616852).

The spelling of 124402412431 in words is "one hundred twenty-four billion, four hundred two million, four hundred twelve thousand, four hundred thirty-one".

Divisors: 1 11 37 121 407 4477 27787003 305657033 1028119111 3362227363 11309310221 124402412431