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10120452065 = 52388003931
BaseRepresentation
bin10010110110011100…
…11101011111100001
3222010022102020021222
421123032131133201
5131211313431230
64352124224425
7505536265103
oct113316353741
928108366258
1010120452065
114323805479
121b6539b115
13c53942099
146c0159573
153e37526e5
hex25b39d7e1

10120452065 has 8 divisors (see below), whose sum is σ = 12672566208. Its totient is φ = 7744345840.

The previous prime is 10120452061. The next prime is 10120452071. The reversal of 10120452065 is 56025402101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10120452065 - 22 = 10120452061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120452061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44001851 + ... + 44002080.

It is an arithmetic number, because the mean of its divisors is an integer number (1584070776).

Almost surely, 210120452065 is an apocalyptic number.

It is an amenable number.

10120452065 is a deficient number, since it is larger than the sum of its proper divisors (2552114143).

10120452065 is an equidigital number, since it uses as much as digits as its factorization.

10120452065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88003959.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 10120452065 its reverse (56025402101), we get a palindrome (66145854166).

The spelling of 10120452065 in words is "ten billion, one hundred twenty million, four hundred fifty-two thousand, sixty-five".

Divisors: 1 5 23 115 88003931 440019655 2024090413 10120452065