Search a number
-
+
123301322012 = 2211237910331493
BaseRepresentation
bin111001011010101010…
…1001101110100011100
3102210021002012010221002
41302311111031310130
54010010114301022
6132351023125432
711623343641631
oct1626525156434
9383232163832
10123301322012
1148323422220
121ba91443878
13b82014034b
145d79988188
153319c1a092
hex1cb554dd1c

123301322012 has 96 divisors (see below), whose sum is σ = 249144698880. Its totient is φ = 52844014080.

The previous prime is 123301322009. The next prime is 123301322029. The reversal of 123301322012 is 210223103321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82585538 + ... + 82587030.

It is an arithmetic number, because the mean of its divisors is an integer number (2595257280).

Almost surely, 2123301322012 is an apocalyptic number.

It is an amenable number.

123301322012 is an abundant number, since it is smaller than the sum of its proper divisors (125843376868).

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

123301322012 is a wasteful number, since it uses less digits than its factorization.

123301322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643 (or 2641 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123301322012 its reverse (210223103321), we get a palindrome (333524425333).

The spelling of 123301322012 in words is "one hundred twenty-three billion, three hundred one million, three hundred twenty-two thousand, twelve".

Divisors: 1 2 4 11 22 23 44 46 79 92 158 253 316 506 869 1012 1033 1493 1738 1817 2066 2986 3476 3634 4132 5972 7268 11363 16423 19987 22726 23759 32846 34339 39974 45452 47518 65692 68678 79948 81607 95036 117947 137356 163214 235894 261349 326428 377729 471788 522698 755458 897677 1045396 1297417 1510916 1542269 1795354 1876961 2594834 2712781 3084538 3590708 3753922 5189668 5425562 6169076 7507844 10851124 16964959 20646571 29840591 33929918 35472187 41293142 59681182 67859836 70944374 82586284 119362364 121839251 141888748 243678502 390194057 487357004 780388114 1340231761 1560776228 2680463522 2802302773 5360927044 5604605546 11209211092 30825330503 61650661006 123301322012