Search a number
-
+
961012213 = 7193371023
BaseRepresentation
bin111001010001111…
…110000111110101
32110222022110220221
4321101332013311
53432004342323
6235205454341
732546316610
oct7121760765
92428273827
10961012213
11453514777
12229a113b1
131241392a5
14918bd177
155957e55d
hex3947e1f5

961012213 has 8 divisors (see below), whose sum is σ = 1098883328. Its totient is φ = 823287024.

The previous prime is 961012207. The next prime is 961012253. The reversal of 961012213 is 312210169.

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

It is not a de Polignac number, because 961012213 - 225 = 927457781 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 (961012253) 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, 21981 + ... + 49042.

It is an arithmetic number, because the mean of its divisors is an integer number (137360416).

Almost surely, 2961012213 is an apocalyptic number.

It is an amenable number.

961012213 is a deficient number, since it is larger than the sum of its proper divisors (137871115).

961012213 is a wasteful number, since it uses less digits than its factorization.

961012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72963.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 961012213 is about 31000.1969832451. The cubic root of 961012213 is about 986.8314207139.

The spelling of 961012213 in words is "nine hundred sixty-one million, twelve thousand, two hundred thirteen".

Divisors: 1 7 1933 13531 71023 497161 137287459 961012213