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385836430525 = 52713439386329
BaseRepresentation
bin1011001110101011010…
…01001011010010111101
31100212220121022111021121
411213111221023102331
522310143111234100
6453130101430541
736606246355360
oct5472551132275
91325817274247
10385836430525
111396a5673a87
126293ba0b451
132a4cc18c0c0
14149630ac0d7
15a08325551a
hex59d5a4b4bd

385836430525 has 48 divisors (see below), whose sum is σ = 590188614400. Its totient is φ = 243664796160.

The previous prime is 385836430487. The next prime is 385836430531. The reversal of 385836430525 is 525034638583.

It is not a de Polignac number, because 385836430525 - 229 = 385299559613 is a prime.

It is a super-2 number, since 2×3858364305252 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 805561 + ... + 1191889.

Almost surely, 2385836430525 is an apocalyptic number.

385836430525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

385836430525 is a deficient number, since it is larger than the sum of its proper divisors (204352183875).

385836430525 is a wasteful number, since it uses less digits than its factorization.

385836430525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386798 (or 386793 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 385836430525 in words is "three hundred eighty-five billion, eight hundred thirty-six million, four hundred thirty thousand, five hundred twenty-five".

Divisors: 1 5 7 13 25 35 65 91 175 325 439 455 2195 2275 3073 5707 10975 15365 28535 39949 76825 142675 199745 386329 998725 1931645 2704303 5022277 9658225 13521515 25111385 35155939 67607575 125556925 169598431 175779695 847992155 878898475 1187189017 2204779603 4239960775 5935945085 11023898015 15433457221 29679725425 55119490075 77167286105 385836430525