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70042544464641 = 374770965090643
BaseRepresentation
bin11111110110100000011001…
…11110110110001100000001
3100012000000001100112111121020
433323100030332312030001
533140034112340332031
6404545033431020053
720516256355434060
oct1773201476661401
9305000040474536
1070042544464641
1120354970388101
127a3286a50a629
133010ca2c86438
141342111d3a1d7
15816e79a8d096
hex3fb40cfb6301

70042544464641 has 16 divisors (see below), whose sum is σ = 109002379229184. Its totient is φ = 39172730034384.

The previous prime is 70042544464609. The next prime is 70042544464661. The reversal of 70042544464641 is 14646444524007.

It is not a de Polignac number, because 70042544464641 - 25 = 70042544464609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70042544464601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35482544335 + ... + 35482546308.

It is an arithmetic number, because the mean of its divisors is an integer number (6812648701824).

Almost surely, 270042544464641 is an apocalyptic number.

It is an amenable number.

70042544464641 is a deficient number, since it is larger than the sum of its proper divisors (38959834764543).

70042544464641 is a wasteful number, since it uses less digits than its factorization.

70042544464641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70965090700.

The product of its (nonzero) digits is 10321920, while the sum is 51.

Adding to 70042544464641 its reverse (14646444524007), we get a palindrome (84688988988648).

The spelling of 70042544464641 in words is "seventy trillion, forty-two billion, five hundred forty-four million, four hundred sixty-four thousand, six hundred forty-one".

Divisors: 1 3 7 21 47 141 329 987 70965090643 212895271929 496755634501 1490266903503 3335359260221 10006077780663 23347514821547 70042544464641