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126970656255 = 3252821570139
BaseRepresentation
bin111011001000000001…
…0100111010111111111
3110010201210200122020100
41312100002213113333
54040013442000010
6134155101452143
712113310525252
oct1662002472777
9403653618210
10126970656255
1149936697363
1220736271053
13bc863b7c41
146207025099
153481e252c0
hex1d900a75ff

126970656255 has 12 divisors (see below), whose sum is σ = 220082470920. Its totient is φ = 67717683312.

The previous prime is 126970656247. The next prime is 126970656257. The reversal of 126970656255 is 552656079621.

126970656255 is a `hidden beast` number, since 1 + 2 + 6 + 9 + 7 + 0 + 6 + 5 + 625 + 5 = 666.

It is not a de Polignac number, because 126970656255 - 23 = 126970656247 is a prime.

It is a super-2 number, since 2×1269706562552 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126970656257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1410785025 + ... + 1410785114.

It is an arithmetic number, because the mean of its divisors is an integer number (18340205910).

Almost surely, 2126970656255 is an apocalyptic number.

126970656255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126970656255 is a deficient number, since it is larger than the sum of its proper divisors (93111814665).

126970656255 is a wasteful number, since it uses less digits than its factorization.

126970656255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821570150 (or 2821570147 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

It can be divided in two parts, 12697065 and 6255, that added together give a triangular number (12703320 = T5040).

The spelling of 126970656255 in words is "one hundred twenty-six billion, nine hundred seventy million, six hundred fifty-six thousand, two hundred fifty-five".

Divisors: 1 3 5 9 15 45 2821570139 8464710417 14107850695 25394131251 42323552085 126970656255