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11470020180 = 2235712692493
BaseRepresentation
bin10101010111010101…
…01001111001010100
31002121100212101201020
422223222221321110
5141442311121210
65134054201140
7554144364033
oct125352517124
932540771636
1011470020180
114956588a23
1222813531b0
13110a4139b8
147ab4a071a
15471e84770
hex2abaa9e54

11470020180 has 48 divisors (see below), whose sum is σ = 32568407424. Its totient is φ = 3015591040.

The previous prime is 11470020169. The next prime is 11470020223. The reversal of 11470020180 is 8102007411.

It is a super-2 number, since 2×114700201802 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11470020180.

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, 1341987 + ... + 1350506.

It is an arithmetic number, because the mean of its divisors is an integer number (678508488).

Almost surely, 211470020180 is an apocalyptic number.

11470020180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11470020180 is an abundant number, since it is smaller than the sum of its proper divisors (21098387244).

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

11470020180 is a wasteful number, since it uses less digits than its factorization.

11470020180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692576 (or 2692574 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

Adding to 11470020180 its reverse (8102007411), we get a palindrome (19572027591).

The spelling of 11470020180 in words is "eleven billion, four hundred seventy million, twenty thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 4260 2692493 5384986 8077479 10769972 13462465 16154958 26924930 32309916 40387395 53849860 80774790 161549580 191167003 382334006 573501009 764668012 955835015 1147002018 1911670030 2294004036 2867505045 3823340060 5735010090 11470020180