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123050034843890 = 25711159805240057
BaseRepresentation
bin11011111110100111010001…
…100111011101000011110010
3121010200110122111102201211212
4123332213101213131003302
5112112022432410001030
61113412223340440122
734630033400455550
oct3376472147350362
9533613574381755
10123050034843890
1136231254841740
1211973b07849042
135387750ca927b
142255921166bd0
15e35c31823595
hex6fe9d19dd0f2

123050034843890 has 32 divisors (see below), whose sum is σ = 276143454820224. Its totient is φ = 38353257613440.

The previous prime is 123050034843839. The next prime is 123050034843899. The reversal of 123050034843890 is 98348430050321.

It is a super-2 number, since 2×1230500348438902 (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123050034843899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79902619259 + ... + 79902620798.

It is an arithmetic number, because the mean of its divisors is an integer number (8629482963132).

Almost surely, 2123050034843890 is an apocalyptic number.

123050034843890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123050034843890 is an abundant number, since it is smaller than the sum of its proper divisors (153093419976334).

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

123050034843890 is a wasteful number, since it uses less digits than its factorization.

123050034843890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159805240082.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 123050034843890 in words is "one hundred twenty-three trillion, fifty billion, thirty-four million, eight hundred forty-three thousand, eight hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 159805240057 319610480114 799026200285 1118636680399 1598052400570 1757857640627 2237273360798 3515715281254 5593183401995 8789288203135 11186366803990 12305003484389 17578576406270 24610006968778 61525017421945 123050034843890