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70122063221 = 770914239929
BaseRepresentation
bin100000101001110011…
…0011100010101110101
320200222221000220010122
41001103212130111311
52122102222010341
652114051101325
75031455463050
oct1012346342565
9220887026118
1070122063221
1127814092a71
121170b8a1845
1367c6814702
143572d0ba97
151c561c294b
hex105399c575

70122063221 has 16 divisors (see below), whose sum is σ = 80317017600. Its totient is φ = 59971632768.

The previous prime is 70122063173. The next prime is 70122063247. The reversal of 70122063221 is 12236022107.

It is a cyclic number.

It is not a de Polignac number, because 70122063221 - 222 = 70117868917 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 (70122062221) 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, 7057385 + ... + 7067313.

It is an arithmetic number, because the mean of its divisors is an integer number (5019813600).

Almost surely, 270122063221 is an apocalyptic number.

It is an amenable number.

70122063221 is a deficient number, since it is larger than the sum of its proper divisors (10194954379).

70122063221 is a wasteful number, since it uses less digits than its factorization.

70122063221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12068.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 70122063221 its reverse (12236022107), we get a palindrome (82358085328).

The spelling of 70122063221 in words is "seventy billion, one hundred twenty-two million, sixty-three thousand, two hundred twenty-one".

Divisors: 1 7 709 1423 4963 9929 9961 69503 1008907 7039661 7062349 14128967 49277627 98902769 10017437603 70122063221