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3865106146 = 211215971513
BaseRepresentation
bin1110011001100000…
…1101011011100010
3100222100212201212111
43212120031123202
530403431344041
61435310345534
7164531601016
oct34630153342
910870781774
103865106146
11170382a500
128ba4bb2aa
134979b1575
1428947c546
151794cb981
hexe660d6e2

3865106146 has 12 divisors (see below), whose sum is σ = 6372634086. Its totient is φ = 1756866320.

The previous prime is 3865106131. The next prime is 3865106149. The reversal of 3865106146 is 6416015683.

3865106146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3529666921 + 335439225 = 59411^2 + 18315^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3865106099 and 3865106108.

It is not an unprimeable number, because it can be changed into a prime (3865106149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7985515 + ... + 7985998.

Almost surely, 23865106146 is an apocalyptic number.

3865106146 is a deficient number, since it is larger than the sum of its proper divisors (2507527940).

3865106146 is a wasteful number, since it uses less digits than its factorization.

3865106146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15971537 (or 15971526 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 3865106146 is about 62169.9778510496. The cubic root of 3865106146 is about 1569.3523971151.

It can be divided in two parts, 3865 and 106146, that added together give a palindrome (110011).

The spelling of 3865106146 in words is "three billion, eight hundred sixty-five million, one hundred six thousand, one hundred forty-six".

Divisors: 1 2 11 22 121 242 15971513 31943026 175686643 351373286 1932553073 3865106146