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2978064694213 = 7673632151283
BaseRepresentation
bin101011010101100010011…
…111001111101111000101
3101112200220110010021202021
4223111202133033233011
5342243034030203323
610200034245443141
7425105135143210
oct53254237175705
911480813107667
102978064694213
11a48a98977894
12401203a104b1
13187aa420c71b
14a41d3996777
15526edb4405d
hex2b5627cfbc5

2978064694213 has 8 divisors (see below), whose sum is σ = 3408559723328. Its totient is φ = 2548833969024.

The previous prime is 2978064694207. The next prime is 2978064694217. The reversal of 2978064694213 is 3124964608792.

It is a happy number.

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

It is not a de Polignac number, because 2978064694213 - 241 = 779041438661 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 (2978064694217) 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, 316070931 + ... + 316080352.

It is an arithmetic number, because the mean of its divisors is an integer number (426069965416).

Almost surely, 22978064694213 is an apocalyptic number.

It is an amenable number.

2978064694213 is a deficient number, since it is larger than the sum of its proper divisors (430495029115).

2978064694213 is an equidigital number, since it uses as much as digits as its factorization.

2978064694213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632151963.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 2978064694213 in words is "two trillion, nine hundred seventy-eight billion, sixty-four million, six hundred ninety-four thousand, two hundred thirteen".

Divisors: 1 7 673 4711 632151283 4425058981 425437813459 2978064694213