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380213286486 = 231121127346457
BaseRepresentation
bin1011000100001100111…
…10100101011001010110
31100100101201101011210120
411202012132211121112
522212134100131421
6450400110132410
736320016416415
oct5420636453126
91310351334716
10380213286486
1113727a540700
12618307b1106
1329b141c0437
141458c35b47c
159d5475d8c6
hex58867a5656

380213286486 has 48 divisors (see below), whose sum is σ = 835932917232. Its totient is φ = 115203447040.

The previous prime is 380213286461. The next prime is 380213286487. The reversal of 380213286486 is 684682312083.

It is a super-2 number, since 2×3802132864862 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380213286487) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8160970 + ... + 8207426.

It is an arithmetic number, because the mean of its divisors is an integer number (17415269109).

Almost surely, 2380213286486 is an apocalyptic number.

380213286486 is an abundant number, since it is smaller than the sum of its proper divisors (455719630746).

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

380213286486 is a wasteful number, since it uses less digits than its factorization.

380213286486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57757 (or 57746 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 380213286486 in words is "three hundred eighty billion, two hundred thirteen million, two hundred eighty-six thousand, four hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 11273 22546 33819 46457 67638 92914 124003 139371 248006 278742 372009 511027 744018 1022054 1364033 1533081 2728066 3066162 4092099 5621297 8184198 11242594 16863891 33727782 523709761 1047419522 1571129283 3142258566 5760807371 11521614742 17282422113 34564844226 63368881081 126737762162 190106643243 380213286486