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968172965 = 5193634593
BaseRepresentation
bin111001101101010…
…010010110100101
32111110210021121222
4321231102112211
53440323013330
6240023150125
732664222464
oct7155222645
92443707558
10968172965
11457565751
122302a5345
13125775716
14928249db
1559ee60e5
hex39b525a5

968172965 has 4 divisors (see below), whose sum is σ = 1161807564. Its totient is φ = 774538368.

The previous prime is 968172941. The next prime is 968172973. The reversal of 968172965 is 569271869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 569271869 = 2011283079.

It can be written as a sum of positive squares in 2 ways, for example, as 265233796 + 702939169 = 16286^2 + 26513^2 .

It is a cyclic number.

It is not a de Polignac number, because 968172965 - 26 = 968172901 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 96817292 + ... + 96817301.

It is an arithmetic number, because the mean of its divisors is an integer number (290451891).

Almost surely, 2968172965 is an apocalyptic number.

It is an amenable number.

968172965 is a deficient number, since it is larger than the sum of its proper divisors (193634599).

968172965 is a wasteful number, since it uses less digits than its factorization.

968172965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193634598.

The product of its digits is 1632960, while the sum is 53.

The square root of 968172965 is about 31115.4779008776. The cubic root of 968172965 is about 989.2764038746.

The spelling of 968172965 in words is "nine hundred sixty-eight million, one hundred seventy-two thousand, nine hundred sixty-five".

Divisors: 1 5 193634593 968172965