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201030550460 = 225113463719183
BaseRepresentation
bin1011101100111001011…
…0101100001110111100
3201012220011110001221222
42323032112230032330
511243202310103320
6232204022212512
720344503325205
oct2731626541674
9635804401858
10201030550460
1178290560aa3
1232b64884138
1315c59994a4c
149a30d025ac
155368b8c825
hex2ece5ac3bc

201030550460 has 48 divisors (see below), whose sum is σ = 426014176896. Its totient is φ = 79679265792.

The previous prime is 201030550411. The next prime is 201030550471. The reversal of 201030550460 is 64055030102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10470029 + ... + 10489211.

It is an arithmetic number, because the mean of its divisors is an integer number (8875295352).

Almost surely, 2201030550460 is an apocalyptic number.

201030550460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201030550460 is an abundant number, since it is smaller than the sum of its proper divisors (224983626436).

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

201030550460 is a wasteful number, since it uses less digits than its factorization.

201030550460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23942 (or 23940 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 201030550460 its reverse (64055030102), we get a palindrome (265085580562).

The spelling of 201030550460 in words is "two hundred one billion, thirty million, five hundred fifty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 4637 9274 18548 19183 23185 38366 46370 76732 92740 95915 191830 383660 523981 1047962 2095924 2167679 2619905 4335358 5239810 8670716 10479620 10838395 21676790 43353580 88951571 177903142 355806284 444757855 889515710 1779031420 10051527523 20103055046 40206110092 50257637615 100515275230 201030550460