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3980700621 = 321923278951
BaseRepresentation
bin1110110101000100…
…1010101111001101
3101021102101112200100
43231101022233031
531123024404441
61455000121313
7200434253112
oct35521125715
911242345610
103980700621
111763002327
12931166239
134b5925171
1429a96c909
15184711cb6
hexed44abcd

3980700621 has 12 divisors (see below), whose sum is σ = 6052527520. Its totient is φ = 2514126600.

The previous prime is 3980700599. The next prime is 3980700641. The reversal of 3980700621 is 1260070893.

It is not a de Polignac number, because 3980700621 - 26 = 3980700557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980700641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11639305 + ... + 11639646.

Almost surely, 23980700621 is an apocalyptic number.

It is an amenable number.

3980700621 is a deficient number, since it is larger than the sum of its proper divisors (2071826899).

3980700621 is a wasteful number, since it uses less digits than its factorization.

3980700621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23278976 (or 23278973 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 3980700621 is about 63092.7937327235. The cubic root of 3980700621 is about 1584.8439471262.

The spelling of 3980700621 in words is "three billion, nine hundred eighty million, seven hundred thousand, six hundred twenty-one".

Divisors: 1 3 9 19 57 171 23278951 69836853 209510559 442300069 1326900207 3980700621