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1255131045201 = 311172977148629
BaseRepresentation
bin10010010000111011101…
…000111101110101010001
311102222201020111101101110
4102100323220331311101
5131031002021421301
62400333234123533
7156452213566155
oct22207350756521
94388636441343
101255131045201
11444330832370
12183304a205a9
13914873a9747
1444a6a4ad065
15229aec700d6
hex1243ba3dd51

1255131045201 has 32 divisors (see below), whose sum is σ = 1999692489600. Its totient is φ = 691251706880.

The previous prime is 1255131045187. The next prime is 1255131045211. The reversal of 1255131045201 is 1025401315521.

It is a cyclic number.

It is not a de Polignac number, because 1255131045201 - 26 = 1255131045137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255131045211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38558046 + ... + 38590583.

It is an arithmetic number, because the mean of its divisors is an integer number (62490390300).

Almost surely, 21255131045201 is an apocalyptic number.

1255131045201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1255131045201 is a deficient number, since it is larger than the sum of its proper divisors (744561444399).

1255131045201 is a wasteful number, since it uses less digits than its factorization.

1255131045201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77148689.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 1255131045201 in words is "one trillion, two hundred fifty-five billion, one hundred thirty-one million, forty-five thousand, two hundred one".

Divisors: 1 3 11 17 29 33 51 87 187 319 493 561 957 1479 5423 16269 77148629 231445887 848634919 1311526693 2237310241 2545904757 3934580079 6711930723 14426793623 24610412651 38034274097 43280380869 73831237953 114102822291 418377015067 1255131045201