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1356970440487 = 31093727117109
BaseRepresentation
bin10011101111110001101…
…111011011011100100111
311210201120121021200121111
4103233301233123130213
5134213033413043422
62515214505525451
7200015664301144
oct23576157333447
94721517250544
101356970440487
1148354048a362
1219aba67a3887
139ac66cc075c
144996b93d3cb
15254706e5a77
hex13bf1bdb727

1356970440487 has 8 divisors (see below), whose sum is σ = 1357782708800. Its totient is φ = 1356158420064.

The previous prime is 1356970440467. The next prime is 1356970440493. The reversal of 1356970440487 is 7840440796531.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1356970440487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356970440457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11528689 + ... + 11645797.

It is an arithmetic number, because the mean of its divisors is an integer number (169722838600).

Almost surely, 21356970440487 is an apocalyptic number.

1356970440487 is a deficient number, since it is larger than the sum of its proper divisors (812268313).

1356970440487 is a wasteful number, since it uses less digits than its factorization.

1356970440487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123945.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 1356970440487 in words is "one trillion, three hundred fifty-six billion, nine hundred seventy million, four hundred forty thousand, four hundred eighty-seven".

Divisors: 1 3109 3727 117109 11587243 364091881 436465243 1356970440487