Search a number
-
+
431234630411240 = 23526677794041139
BaseRepresentation
bin110001000001101001010001…
…0111101011110001111101000
32002112212121221211220011002002
41202003102202331132033220
5423010322010341124430
64125054242044430132
7156555450101556635
oct14203224275361750
92075777854804062
10431234630411240
1111544a641670317
12404481b1248348
1315681335a442a6
14786bc204dd18c
1534cc607eba845
hex18834a2f5e3e8

431234630411240 has 32 divisors (see below), whose sum is σ = 970278522228000. Its totient is φ = 172493744821824.

The previous prime is 431234630411231. The next prime is 431234630411243. The reversal of 431234630411240 is 42114036432134.

It is a junction number, because it is equal to n+sod(n) for n = 431234630411194 and 431234630411203.

It is not an unprimeable number, because it can be changed into a prime (431234630411243) 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, 104690591 + ... + 108731729.

It is an arithmetic number, because the mean of its divisors is an integer number (30321203819625).

Almost surely, 2431234630411240 is an apocalyptic number.

431234630411240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431234630411240 is an abundant number, since it is smaller than the sum of its proper divisors (539043891816760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431234630411240 is a wasteful number, since it uses less digits than its factorization.

431234630411240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708929 (or 6708925 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 431234630411240 its reverse (42114036432134), we get a palindrome (473348666843374).

The spelling of 431234630411240 in words is "four hundred thirty-one trillion, two hundred thirty-four billion, six hundred thirty million, four hundred eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2667779 4041139 5335558 8082278 10671116 13338895 16164556 20205695 21342232 26677790 32329112 40411390 53355580 80822780 106711160 161645560 10780865760281 21561731520562 43123463041124 53904328801405 86246926082248 107808657602810 215617315205620 431234630411240