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620216101444 = 22103238232
BaseRepresentation
bin10010000011001111100…
…00101010101001000100
32012021212221000102012011
421001213300222221010
540130200310221234
61152531235304004
762544350610202
oct11014760525104
92167787012164
10620216101444
1121a039902855
12a025114b004
1346642039204
1422039140072
15111eea73b64
hex9067c2aa44

620216101444 has 27 divisors (see below), whose sum is σ = 1096304902623. Its totient is φ = 307016964072.

The previous prime is 620216101369. The next prime is 620216101447. The reversal of 620216101444 is 444101612026.

The square root of 620216101444 is 787538.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620216101447) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 162230917 + ... + 162234739.

Almost surely, 2620216101444 is an apocalyptic number.

620216101444 is the 787538-th square number.

It is an amenable number.

620216101444 is a deficient number, since it is larger than the sum of its proper divisors (476088801179).

620216101444 is an frugal number, since it uses more digits than its factorization.

620216101444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7856 (or 3928 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 620216101444 in words is "six hundred twenty billion, two hundred sixteen million, one hundred one thousand, four hundred forty-four".

Divisors: 1 2 4 103 206 412 3823 7646 10609 15292 21218 42436 393769 787538 1575076 14615329 29230658 40558207 58461316 81116414 162232828 1505378887 3010757774 6021515548 155054025361 310108050722 620216101444