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20305555314 = 2311972131649
BaseRepresentation
bin10010111010010011…
…100010111101110010
31221102010111002100020
4102322103202331302
5313041210232224
613154522304310
71316122241502
oct227223427562
957363432306
1020305555314
11867aa58280
123b28358096
131bb7a9c1b5
14da8b03a02
157dc9c5c79
hex4ba4e2f72

20305555314 has 32 divisors (see below), whose sum is σ = 44308987200. Its totient is φ = 6152371200.

The previous prime is 20305555307. The next prime is 20305555349. The reversal of 20305555314 is 41355550302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625762 + ... + 657410.

It is an arithmetic number, because the mean of its divisors is an integer number (1384655850).

Almost surely, 220305555314 is an apocalyptic number.

20305555314 is an abundant number, since it is smaller than the sum of its proper divisors (24003431886).

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

20305555314 is a wasteful number, since it uses less digits than its factorization.

20305555314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41386.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 20305555314 in words is "twenty billion, three hundred five million, five hundred fifty-five thousand, three hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 9721 19442 29163 31649 58326 63298 94947 106931 189894 213862 320793 348139 641586 696278 1044417 2088834 307659929 615319858 922979787 1845959574 3384259219 6768518438 10152777657 20305555314