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1301232122 = 217213717909
BaseRepresentation
bin100110110001111…
…0011100111111010
310100200111102220022
41031203303213322
510131103411442
6333041530442
744150201441
oct11543634772
93320442808
101301232122
11608569a53
12303943a22
13179779a48
14c4b61d58
15793853d2
hex4d8f39fa

1301232122 has 16 divisors (see below), whose sum is σ = 2067745320. Its totient is φ = 612023808.

The previous prime is 1301232091. The next prime is 1301232131. The reversal of 1301232122 is 2212321031.

It can be written as a sum of positive squares in 4 ways, for example, as 932630521 + 368601601 = 30539^2 + 19199^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1301232122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63704 + ... + 81612.

Almost surely, 21301232122 is an apocalyptic number.

1301232122 is a deficient number, since it is larger than the sum of its proper divisors (766513198).

1301232122 is a wasteful number, since it uses less digits than its factorization.

1301232122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20065.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1301232122 is about 36072.5951658596. The cubic root of 1301232122 is about 1091.7375765398.

Adding to 1301232122 its reverse (2212321031), we get a palindrome (3513553153).

The spelling of 1301232122 in words is "one billion, three hundred one million, two hundred thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 17 34 2137 4274 17909 35818 36329 72658 304453 608906 38271533 76543066 650616061 1301232122