Search a number
-
+
123007363540 = 22541914678683
BaseRepresentation
bin111001010001111001…
…1110110100111010100
3102202111121001111201021
41302203303312213110
54003404341113130
6132301522410524
711613144224065
oct1624363664724
9382447044637
10123007363540
11481924a4936
121ba0ab00a44
13b7a4279419
145d4c90856c
1532ee00137a
hex1ca3cf69d4

123007363540 has 24 divisors (see below), whose sum is σ = 258931985760. Its totient is φ = 49085512608.

The previous prime is 123007363529. The next prime is 123007363541. The reversal of 123007363540 is 45363700321.

It is a super-2 number, since 2×1230073635402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123007363496 and 123007363505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123007363541) 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, 7330962 + ... + 7347721.

It is an arithmetic number, because the mean of its divisors is an integer number (10788832740).

Almost surely, 2123007363540 is an apocalyptic number.

123007363540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123007363540 is an abundant number, since it is smaller than the sum of its proper divisors (135924622220).

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

123007363540 is a wasteful number, since it uses less digits than its factorization.

123007363540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14679111 (or 14679109 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 123007363540 in words is "one hundred twenty-three billion, seven million, three hundred sixty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 419 838 1676 2095 4190 8380 14678683 29357366 58714732 73393415 146786830 293573660 6150368177 12300736354 24601472708 30751840885 61503681770 123007363540