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20293643059200 = 2143652721973
BaseRepresentation
bin1001001110100111110110…
…11000101100000000000000
32122212001102212200111000000
410213103323120230000000
510124442340110343300
6111054434304000000
74163111251603200
oct447237330540000
978761385614000
1020293643059200
1165145384a8655
122339064000000
13b428b41003c4
14502308dd8400
15252d3e401c00
hex1274fb62c000

20293643059200 has 3780 divisors, whose sum is σ = 93660205857960. Its totient is φ = 4334215495680.

The previous prime is 20293643059199. The next prime is 20293643059211. The reversal of 20293643059200 is 295034639202.

20293643059200 is a `hidden beast` number, since 2 + 0 + 2 + 9 + 3 + 6 + 430 + 5 + 9 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (3780).

It is a super-2 number, since 2×202936430592002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 277995110364 + ... + 277995110436.

Almost surely, 220293643059200 is an apocalyptic number.

20293643059200 is a gapful number since it is divisible by the number (20) 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 20293643059200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46830102928980).

20293643059200 is an abundant number, since it is smaller than the sum of its proper divisors (73366562798760).

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

20293643059200 is an frugal number, since it uses more digits than its factorization.

20293643059200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 20293643059200 in words is "twenty trillion, two hundred ninety-three billion, six hundred forty-three million, fifty-nine thousand, two hundred".