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123102030310 = 2575997130697
BaseRepresentation
bin111001010100101110…
…0111110100111100110
3102202202012012002002221
41302221130332213212
54004103104432220
6132315143422554
711615403664360
oct1625134764746
9382665162087
10123102030310
1148230983436
121ba36754a5a
13b7baa7356c
145d5b30bd30
1533074a09aa
hex1ca973e9e6

123102030310 has 64 divisors (see below), whose sum is σ = 257804259840. Its totient is φ = 41446967040.

The previous prime is 123102030241. The next prime is 123102030343. The reversal of 123102030310 is 13030201321.

It is a super-2 number, since 2×1231020303102 (a number of 23 digits) contains 22 as substring.

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, 3994882 + ... + 4025578.

It is an arithmetic number, because the mean of its divisors is an integer number (4028191560).

Almost surely, 2123102030310 is an apocalyptic number.

123102030310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123102030310 is an abundant number, since it is smaller than the sum of its proper divisors (134702229530).

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

123102030310 is a wasteful number, since it uses less digits than its factorization.

123102030310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31741.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123102030310 its reverse (13030201321), we get a palindrome (136132231631).

The spelling of 123102030310 in words is "one hundred twenty-three billion, one hundred two million, thirty thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 59 70 118 295 413 590 826 971 1942 2065 4130 4855 6797 9710 13594 30697 33985 57289 61394 67970 114578 153485 214879 286445 306970 401023 429758 572890 802046 1074395 1811123 2005115 2148790 3622246 4010230 9055615 12677861 18111230 25355722 29806787 59613574 63389305 126778610 149033935 208647509 298067870 417295018 1043237545 1758600433 2086475090 3517200866 8793002165 12310203031 17586004330 24620406062 61551015155 123102030310