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1270136148 = 2233725711131
BaseRepresentation
bin100101110110100…
…1011110101010100
310021111222121020120
41023231023311110
510100123324043
6330011231540
743321656561
oct11355136524
93244877216
101270136148
115a1a600a6
122b54485b0
131731acc68
14c0989868
1576791983
hex4bb4bd54

1270136148 has 48 divisors (see below), whose sum is σ = 3055867584. Its totient is φ = 410296320.

The previous prime is 1270136141. The next prime is 1270136173. The reversal of 1270136148 is 8416310721.

It is a super-2 number, since 2×12701361482 = 3226491668912555808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270136141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108543 + ... + 119673.

It is an arithmetic number, because the mean of its divisors is an integer number (63663908).

Almost surely, 21270136148 is an apocalyptic number.

It is an amenable number.

1270136148 is an abundant number, since it is smaller than the sum of its proper divisors (1785731436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1270136148 is a wasteful number, since it uses less digits than its factorization.

1270136148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432 (or 11430 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1270136148 is about 35638.9695137219. The cubic root of 1270136148 is about 1082.9708293611.

Adding to 1270136148 its reverse (8416310721), we get a palindrome (9686446869).

The spelling of 1270136148 in words is "one billion, two hundred seventy million, one hundred thirty-six thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 257 444 514 771 1028 1542 3084 9509 11131 19018 22262 28527 33393 38036 44524 57054 66786 114108 133572 411847 823694 1235541 1647388 2471082 2860667 4942164 5721334 8582001 11442668 17164002 34328004 105844679 211689358 317534037 423378716 635068074 1270136148