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155680112112613 = 1114152737464783
BaseRepresentation
bin100011011001011100011001…
…110001111111001111100101
3202102012212120200111221220221
4203121130121301333033211
5130401130332200100423
61311034242311324341
744535342210116224
oct4331343161771745
9672185520457827
10155680112112613
1145671623796250
1215563a226806b1
1368b37579b72ba
142a62d59a46cbb
1512ee8e4c35e5d
hex8d9719c7f3e5

155680112112613 has 4 divisors (see below), whose sum is σ = 169832849577408. Its totient is φ = 141527374647820.

The previous prime is 155680112112593. The next prime is 155680112112653. The reversal of 155680112112613 is 316211211086551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155680112112613 - 221 = 155680110015461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155680112112613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155680112112653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7076368732381 + ... + 7076368732402.

It is an arithmetic number, because the mean of its divisors is an integer number (42458212394352).

Almost surely, 2155680112112613 is an apocalyptic number.

It is an amenable number.

155680112112613 is a deficient number, since it is larger than the sum of its proper divisors (14152737464795).

155680112112613 is a wasteful number, since it uses less digits than its factorization.

155680112112613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14152737464794.

The product of its (nonzero) digits is 86400, while the sum is 43.

The spelling of 155680112112613 in words is "one hundred fifty-five trillion, six hundred eighty billion, one hundred twelve million, one hundred twelve thousand, six hundred thirteen".

Divisors: 1 11 14152737464783 155680112112613