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20315266041352 = 232539408255169
BaseRepresentation
bin1001001111010000001000…
…01101110100011000001000
32122221010020211010210012211
410213220010031310120020
510130321131101310402
6111112412051314504
74164505142116402
oct447500415643010
978833224123184
1020315266041352
116522724076137
1223412995aba34
13b4494bac96b9
1450339aa77b72
152536a78ab4d7
hex127a04374608

20315266041352 has 8 divisors (see below), whose sum is σ = 38091123827550. Its totient is φ = 10157633020672.

The previous prime is 20315266041341. The next prime is 20315266041353. The reversal of 20315266041352 is 25314066251302.

It can be written as a sum of positive squares in only one way, i.e., 19989071995396 + 326194045956 = 4470914^2 + 571134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20315266041353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269704127577 + ... + 1269704127592.

Almost surely, 220315266041352 is an apocalyptic number.

It is an amenable number.

20315266041352 is a deficient number, since it is larger than the sum of its proper divisors (17775857786198).

20315266041352 is a wasteful number, since it uses less digits than its factorization.

20315266041352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539408255175 (or 2539408255171 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 20315266041352 in words is "twenty trillion, three hundred fifteen billion, two hundred sixty-six million, forty-one thousand, three hundred fifty-two".

Divisors: 1 2 4 8 2539408255169 5078816510338 10157633020676 20315266041352