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8420146101 = 3612790947
BaseRepresentation
bin1111101011110000…
…10011101110110101
3210201210222202000000
413311320103232311
5114221024133401
63511304541513
7415442026623
oct76570235665
923653882000
108420146101
113630a53434
12176ba81899
13a425b9493
1459c3d4513
1534433d186
hex1f5e13bb5

8420146101 has 28 divisors (see below), whose sum is σ = 12723988992. Its totient is φ = 5569169256.

The previous prime is 8420146079. The next prime is 8420146117. The reversal of 8420146101 is 1016410248.

It is a happy number.

8420146101 is a `hidden beast` number, since 8 + 42 + 0 + 1 + 4 + 610 + 1 = 666.

It is not a de Polignac number, because 8420146101 - 26 = 8420146037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8420146151) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 47110 + ... + 138056.

Almost surely, 28420146101 is an apocalyptic number.

8420146101 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8420146101 is a deficient number, since it is larger than the sum of its proper divisors (4303842891).

8420146101 is an equidigital number, since it uses as much as digits as its factorization.

8420146101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91092 (or 91077 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 8420146101 is about 91761.3540713083. The cubic root of 8420146101 is about 2034.4165291529.

Adding to 8420146101 its reverse (1016410248), we get a palindrome (9436556349).

The spelling of 8420146101 in words is "eight billion, four hundred twenty million, one hundred forty-six thousand, one hundred one".

Divisors: 1 3 9 27 81 127 243 381 729 1143 3429 10287 30861 90947 92583 272841 818523 2455569 7366707 11550269 22100121 34650807 66300363 103952421 311857263 935571789 2806715367 8420146101