Search a number
-
+
43122131430 = 2357293700831
BaseRepresentation
bin101000001010010001…
…111000000111100110
311010022020220020122220
4220022101320013212
51201303231201210
631450544533210
73054415032540
oct501221700746
9133266806586
1043122131430
1117319356654
128435621206
1340b2b58c01
1421310c6690
1511c5b52c70
hexa0a4781e6

43122131430 has 64 divisors (see below), whose sum is σ = 118681694208. Its totient is φ = 9822833280.

The previous prime is 43122131411. The next prime is 43122131431. The reversal of 43122131430 is 3413122134.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43122131430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43122131431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288886 + ... + 411945.

It is an arithmetic number, because the mean of its divisors is an integer number (1854401472).

Almost surely, 243122131430 is an apocalyptic number.

43122131430 is an abundant number, since it is smaller than the sum of its proper divisors (75559562778).

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

43122131430 is a wasteful number, since it uses less digits than its factorization.

43122131430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701141.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 43122131430 its reverse (3413122134), we get a palindrome (46535253564).

The spelling of 43122131430 in words is "forty-three billion, one hundred twenty-two million, one hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 293 586 879 1465 1758 2051 2930 4102 4395 6153 8790 10255 12306 20510 30765 61530 700831 1401662 2102493 3504155 4204986 4905817 7008310 9811634 10512465 14717451 21024930 24529085 29434902 49058170 73587255 147174510 205343483 410686966 616030449 1026717415 1232060898 1437404381 2053434830 2874808762 3080152245 4312213143 6160304490 7187021905 8624426286 14374043810 21561065715 43122131430