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1270200264738 = 23211700044123
BaseRepresentation
bin10010011110111101110…
…101011110100000100010
311111102121102220001102120
4102132331311132200202
5131302332231432423
62411304423525110
7160524514051626
oct22367565364042
94442542801376
101270200264738
1144a763a32009
1218620b5b9796
1392a1937ccb2
1445699991186
1523092ba8ee3
hex127bdd5e822

1270200264738 has 8 divisors (see below), whose sum is σ = 2540400529488. Its totient is φ = 423400088244.

The previous prime is 1270200264713. The next prime is 1270200264793. The reversal of 1270200264738 is 8374620020721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1270200264738 is an admirable number.

It is a super-2 number, since 2×12702002647382 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1270200264738.

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, 105850022056 + ... + 105850022067.

It is an arithmetic number, because the mean of its divisors is an integer number (317550066186).

Almost surely, 21270200264738 is an apocalyptic number.

1270200264738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1270200264738 is a wasteful number, since it uses less digits than its factorization.

1270200264738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211700044128.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 1270200264738 in words is "one trillion, two hundred seventy billion, two hundred million, two hundred sixty-four thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 211700044123 423400088246 635100132369 1270200264738