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1270157124812 = 22463685829981
BaseRepresentation
bin10010011110111011010…
…000111010010011001100
311111102111102201022120112
4102132323100322103030
5131302240210443222
62411300243135152
7160523451265352
oct22367320722314
94442442638515
101270157124812
1144a741647384
121861b90744b8
1392a10457204
1445693d617d2
152308ded6be2
hex127bb43a4cc

1270157124812 has 12 divisors (see below), whose sum is σ = 2227575781536. Its totient is φ = 633706901520.

The previous prime is 1270157124739. The next prime is 1270157124833. The reversal of 1270157124812 is 2184217510721.

It is a happy number.

It is a super-2 number, since 2×12701571248122 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1270157124812.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342913139 + ... + 342916842.

It is an arithmetic number, because the mean of its divisors is an integer number (185631315128).

Almost surely, 21270157124812 is an apocalyptic number.

It is an amenable number.

1270157124812 is a deficient number, since it is larger than the sum of its proper divisors (957418656724).

1270157124812 is a wasteful number, since it uses less digits than its factorization.

1270157124812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685830448 (or 685830446 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 41.

The spelling of 1270157124812 in words is "one trillion, two hundred seventy billion, one hundred fifty-seven million, one hundred twenty-four thousand, eight hundred twelve".

Divisors: 1 2 4 463 926 1852 685829981 1371659962 2743319924 317539281203 635078562406 1270157124812