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20122140302 = 2111078548063
BaseRepresentation
bin10010101111010111…
…110111111010001110
31220221100100122020122
4102233113313322032
5312202231442202
613124411144542
71311434241035
oct225727677216
956840318218
1020122140302
118596472920
123a96a45152
131b88aa0ac4
14d8c5db71c
157cb8459a2
hex4af5f7e8e

20122140302 has 16 divisors (see below), whose sum is σ = 33234872832. Its totient is φ = 9060945720.

The previous prime is 20122140277. The next prime is 20122140349. The reversal of 20122140302 is 20304122102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4271678 + ... + 4276385.

It is an arithmetic number, because the mean of its divisors is an integer number (2077179552).

Almost surely, 220122140302 is an apocalyptic number.

20122140302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20122140302 is a deficient number, since it is larger than the sum of its proper divisors (13112732530).

20122140302 is a wasteful number, since it uses less digits than its factorization.

20122140302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8548183.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20122140302 its reverse (20304122102), we get a palindrome (40426262404).

The spelling of 20122140302 in words is "twenty billion, one hundred twenty-two million, one hundred forty thousand, three hundred two".

Divisors: 1 2 11 22 107 214 1177 2354 8548063 17096126 94028693 188057386 914642741 1829285482 10061070151 20122140302