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961461621371 = 17257220064459
BaseRepresentation
bin11011111110110111001…
…01000001001001111011
310101220200220122221120102
431333123211001021323
5111223033133340441
62013404523150015
7126314625640016
oct15773345011173
93356626587512
10961461621371
113408320246a9
1213640767530b
136c885c8b9c4
143476c02c37d
151a02324769b
hexdfdb94127b

961461621371 has 8 divisors (see below), whose sum is σ = 1021979352240. Its totient is φ = 901384019968.

The previous prime is 961461621361. The next prime is 961461621383. The reversal of 961461621371 is 173126164169.

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

It is a cyclic number.

It is not a de Polignac number, because 961461621371 - 210 = 961461620347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961461621361) 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, 110027861 + ... + 110036598.

It is an arithmetic number, because the mean of its divisors is an integer number (127747419030).

Almost surely, 2961461621371 is an apocalyptic number.

961461621371 is a deficient number, since it is larger than the sum of its proper divisors (60517730869).

961461621371 is a wasteful number, since it uses less digits than its factorization.

961461621371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220064733.

The product of its digits is 326592, while the sum is 47.

The spelling of 961461621371 in words is "nine hundred sixty-one billion, four hundred sixty-one million, six hundred twenty-one thousand, three hundred seventy-one".

Divisors: 1 17 257 4369 220064459 3741095803 56556565963 961461621371