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2315453445220 = 225314386851217
BaseRepresentation
bin100001101100011011110…
…001111011010001100100
322012100120221011020022011
4201230123301323101210
5300414022040221340
64531412111044004
7326200044355516
oct41543361732144
98170527136264
102315453445220
11812a84119213
12314900810604
1313a466b43bb6
14800d612dbb6
154036c1c00ea
hex21b1bc7b464

2315453445220 has 48 divisors (see below), whose sum is σ = 5136033627648. Its totient is φ = 875460257280.

The previous prime is 2315453445203. The next prime is 2315453445269. The reversal of 2315453445220 is 225443545132.

2315453445220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×23154534452202 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43398949 + ... + 43452268.

It is an arithmetic number, because the mean of its divisors is an integer number (107000700576).

Almost surely, 22315453445220 is an apocalyptic number.

2315453445220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315453445220 is an abundant number, since it is smaller than the sum of its proper divisors (2820580182428).

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

2315453445220 is a wasteful number, since it uses less digits than its factorization.

2315453445220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86851300 (or 86851298 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 2315453445220 in words is "two trillion, three hundred fifteen billion, four hundred fifty-three million, four hundred forty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 43 62 86 124 155 172 215 310 430 620 860 1333 2666 5332 6665 13330 26660 86851217 173702434 347404868 434256085 868512170 1737024340 2692387727 3734602331 5384775454 7469204662 10769550908 13461938635 14938409324 18673011655 26923877270 37346023310 53847754540 74692046620 115772672261 231545344522 463090689044 578863361305 1157726722610 2315453445220