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7980145141630 = 255168315440561
BaseRepresentation
bin111010000100000010110…
…1101110110011101111110
31001020220011000222002111111
41310020011231312131332
52021221314124013010
624550010021312234
71452355302335614
oct164100555663576
931226130862444
107980145141630
1125a73a6988282
12a8a73256567a
1345b6a8306c5c
141d83537796b4
15dc8add1958a
hex74205b7677e

7980145141630 has 16 divisors (see below), whose sum is σ = 14364540115344. Its totient is φ = 3191996087680.

The previous prime is 7980145141613. The next prime is 7980145141721. The reversal of 7980145141630 is 361415410897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7203451 + ... + 8237110.

It is an arithmetic number, because the mean of its divisors is an integer number (897783757209).

Almost surely, 27980145141630 is an apocalyptic number.

7980145141630 is a deficient number, since it is larger than the sum of its proper divisors (6384394973714).

7980145141630 is a wasteful number, since it uses less digits than its factorization.

7980145141630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15492251.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 7980145141630 in words is "seven trillion, nine hundred eighty billion, one hundred forty-five million, one hundred forty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 51683 103366 258415 516830 15440561 30881122 77202805 154405610 798014514163 1596029028326 3990072570815 7980145141630