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305043034332 = 2231091671396487
BaseRepresentation
bin1000111000001011111…
…10110101000011011100
31002011100222021201022110
410130011332311003130
514444212004044312
6352045042514020
731016152003341
oct4340576650334
91064328251273
10305043034332
11108405927673
124b152365910
13229c48771aa
1410a9ac067c8
157e052b643c
hex4705fb50dc

305043034332 has 48 divisors (see below), whose sum is σ = 722598750720. Its totient is φ = 100144804032.

The previous prime is 305043034229. The next prime is 305043034337. The reversal of 305043034332 is 233430340503.

It is a self number, because there is not a number n which added to its sum of digits gives 305043034332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305043034337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479808 + ... + 916679.

It is an arithmetic number, because the mean of its divisors is an integer number (15054140640).

Almost surely, 2305043034332 is an apocalyptic number.

It is an amenable number.

305043034332 is an abundant number, since it is smaller than the sum of its proper divisors (417555716388).

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

305043034332 is a wasteful number, since it uses less digits than its factorization.

305043034332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396770 (or 1396768 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 30.

Adding to 305043034332 its reverse (233430340503), we get a palindrome (538473374835).

The spelling of 305043034332 in words is "three hundred five billion, forty-three million, thirty-four thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 109 167 218 327 334 436 501 654 668 1002 1308 2004 18203 36406 54609 72812 109218 218436 1396487 2792974 4189461 5585948 8378922 16757844 152217083 233213329 304434166 456651249 466426658 608868332 699639987 913302498 932853316 1399279974 1826604996 2798559948 25420252861 50840505722 76260758583 101681011444 152521517166 305043034332