Search a number
-
+
123424433120 = 2552113655937
BaseRepresentation
bin111001011110010101…
…0110110001111100000
3102210120122211211121202
41302330222312033200
54010233123324440
6132411141540332
711626400241302
oct1627452661740
9383518754552
10123424433120
114838696943a
121bb067146a8
13b83c7b6361
145d8c073972
153325937615
hex1cbcab63e0

123424433120 has 48 divisors (see below), whose sum is σ = 292972247568. Its totient is φ = 49135779840.

The previous prime is 123424433113. The next prime is 123424433131. The reversal of 123424433120 is 21334424321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794209 + ... + 1861728.

It is an arithmetic number, because the mean of its divisors is an integer number (6103588491).

Almost surely, 2123424433120 is an apocalyptic number.

123424433120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123424433120 is an abundant number, since it is smaller than the sum of its proper divisors (169547814448).

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

123424433120 is a wasteful number, since it uses less digits than its factorization.

123424433120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656163 (or 3656155 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 123424433120 its reverse (21334424321), we get a palindrome (144758857441).

The spelling of 123424433120 in words is "one hundred twenty-three billion, four hundred twenty-four million, four hundred thirty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 211 422 844 1055 1688 2110 3376 4220 6752 8440 16880 33760 3655937 7311874 14623748 18279685 29247496 36559370 58494992 73118740 116989984 146237480 292474960 584949920 771402707 1542805414 3085610828 3857013535 6171221656 7714027070 12342443312 15428054140 24684886624 30856108280 61712216560 123424433120