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444640713270213 = 3167887506413713
BaseRepresentation
bin110010100011001011111101…
…1110001000110001111000101
32011022100020101210221022011110
41211012113323301012033011
5431234443140044121323
64213401042422155233
7162441142243652145
oct14506277361061705
92138306353838143
10444640713270213
11119749081977389
1241a52423282b19
1316114593328275
147bb2a22504925
1536611d309e793
hex19465fbc463c5

444640713270213 has 8 divisors (see below), whose sum is σ = 596404310015808. Its totient is φ = 294652129352384.

The previous prime is 444640713270209. The next prime is 444640713270277. The reversal of 444640713270213 is 312072317046444.

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 not a de Polignac number, because 444640713270213 - 22 = 444640713270209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444640713270293) 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, 443753206356 + ... + 443753207357.

It is an arithmetic number, because the mean of its divisors is an integer number (74550538751976).

Almost surely, 2444640713270213 is an apocalyptic number.

It is an amenable number.

444640713270213 is a deficient number, since it is larger than the sum of its proper divisors (151763596745595).

444640713270213 is a wasteful number, since it uses less digits than its factorization.

444640713270213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887506413883.

The product of its (nonzero) digits is 2709504, while the sum is 48.

The spelling of 444640713270213 in words is "four hundred forty-four trillion, six hundred forty billion, seven hundred thirteen million, two hundred seventy thousand, two hundred thirteen".

Divisors: 1 3 167 501 887506413713 2662519241139 148213571090071 444640713270213