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144630896905320 = 2335717291133090697
BaseRepresentation
bin100000111000101010000001…
…001110111100110001101000
3200222002120121212202201012020
4200320222001032330301220
5122424113034101432240
61231334303343144440
742315144311355330
oct4070520116746150
9628076555681166
10144630896905320
11420a1689868701
121427a52a8a5120
1362918342b0617
1427a025c0ac0c0
1511ac2aca580d0
hex838a813bcc68

144630896905320 has 512 divisors, whose sum is σ = 547958502374400. Its totient is φ = 29775122399232.

The previous prime is 144630896905301. The next prime is 144630896905343. The reversal of 144630896905320 is 23509698036441.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 45250212 + ... + 48340908.

It is an arithmetic number, because the mean of its divisors is an integer number (1070231449950).

Almost surely, 2144630896905320 is an apocalyptic number.

144630896905320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144630896905320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273979251187200).

144630896905320 is an abundant number, since it is smaller than the sum of its proper divisors (403327605469080).

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

144630896905320 is a wasteful number, since it uses less digits than its factorization.

144630896905320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090877 (or 3090873 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 144630896905320 in words is "one hundred forty-four trillion, six hundred thirty billion, eight hundred ninety-six million, nine hundred five thousand, three hundred twenty".