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145313100241252 = 221720880710234127
BaseRepresentation
bin100001000010100101010111…
…101110001001100101100100
3201001111210111210200220100221
4201002211113232021211210
5123021302212130210002
61233015530000214124
742415345042140016
oct4102452756114544
9631453453626327
10145313100241252
1142334a37866169
121436a79b30a344
136310c746a17b8
1427c52979961b6
1511bedd951ec37
hex842957b89964

145313100241252 has 24 divisors (see below), whose sum is σ = 269257942727424. Its totient is φ = 68382301233792.

The previous prime is 145313100241229. The next prime is 145313100241271. The reversal of 145313100241252 is 252142001313541.

It is a super-2 number, since 2×1453131002412522 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 9081813 + ... + 19315939.

It is an arithmetic number, because the mean of its divisors is an integer number (11219080946976).

Almost surely, 2145313100241252 is an apocalyptic number.

It is an amenable number.

145313100241252 is a deficient number, since it is larger than the sum of its proper divisors (123944842486172).

145313100241252 is a wasteful number, since it uses less digits than its factorization.

145313100241252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10442955 (or 10442953 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 145313100241252 its reverse (252142001313541), we get a palindrome (397455101554793).

The spelling of 145313100241252 in words is "one hundred forty-five trillion, three hundred thirteen billion, one hundred million, two hundred forty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 17 34 68 208807 417614 835228 3549719 7099438 10234127 14198876 20468254 40936508 173980159 347960318 695920636 2136957356489 4273914712978 8547829425956 36328275060313 72656550120626 145313100241252