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385253735630400 = 263452713195713011
BaseRepresentation
bin101011110011000101110000…
…0000011111000011001000000
31212112001220020020021021120000
41113212023200003320121000
5400443444122310133100
63443211042312320000
7144101443465625220
oct12746134003703100
91775056206237500
10385253735630400
1110183221224581a
12372609086a3000
13136c736b307760
146b1c54775c080
152e81501736900
hex15e62e00f8640

385253735630400 has 3360 divisors, whose sum is σ = 1838441435550720. Its totient is φ = 76845791232000.

The previous prime is 385253735630317. The next prime is 385253735630429. The reversal of 385253735630400 is 4036537352583.

It is a happy number.

385253735630400 is a `hidden beast` number, since 3 + 8 + 5 + 2 + 5 + 3 + 73 + 563 + 0 + 4 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3360).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 127948764895 + ... + 127948767905.

It is an arithmetic number, because the mean of its divisors is an integer number (547155189152).

Almost surely, 2385253735630400 is an apocalyptic number.

385253735630400 is a gapful number since it is divisible by the number (30) 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 385253735630400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919220717775360).

385253735630400 is an abundant number, since it is smaller than the sum of its proper divisors (1453187699920320).

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

385253735630400 is a wasteful number, since it uses less digits than its factorization.

385253735630400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655 (or 3631 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 54.

The spelling of 385253735630400 in words is "three hundred eighty-five trillion, two hundred fifty-three billion, seven hundred thirty-five million, six hundred thirty thousand, four hundred".