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620214146434652 = 2271119791017525161
BaseRepresentation
bin1000110100000101001101101…
…1111000100000011001011100
310000022222220010020122201000112
42031001103123320200121130
51122243042032441402102
610035030240115545152
7244431664504044560
oct21501233370403134
93008886106581015
10620214146434652
1116a68a384792990
12596897a68bb1b8
132080bc34b6c803
14ad2274c2c16a0
154ba82d73d4252
hex23414dbe2065c

620214146434652 has 48 divisors (see below), whose sum is σ = 1353878279550720. Its totient is φ = 241519771977600.

The previous prime is 620214146434651. The next prime is 620214146434667. The reversal of 620214146434652 is 256434641412026.

It is a super-2 number, since 2×6202141464346522 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 620214146434652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620214146434651) 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, 508153049 + ... + 509372112.

It is an arithmetic number, because the mean of its divisors is an integer number (28205797490640).

Almost surely, 2620214146434652 is an apocalyptic number.

It is an amenable number.

620214146434652 is an abundant number, since it is smaller than the sum of its proper divisors (733664133116068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620214146434652 is a wasteful number, since it uses less digits than its factorization.

620214146434652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017527162 (or 1017527160 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 50.

Adding to 620214146434652 its reverse (256434641412026), we get a palindrome (876648787846678).

The spelling of 620214146434652 in words is "six hundred twenty trillion, two hundred fourteen billion, one hundred forty-six million, four hundred thirty-four thousand, six hundred fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 1979 3958 7916 13853 21769 27706 43538 55412 87076 152383 304766 609532 1017525161 2035050322 4070100644 7122676127 11192776771 14245352254 22385553542 28490704508 44771107084 78349437397 156698874794 313397749588 2013682293619 4027364587238 8054729174476 14095776055333 22150505229809 28191552110666 44301010459618 56383104221332 88602020919236 155053536608663 310107073217326 620214146434652