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11820250074 = 235231376609
BaseRepresentation
bin10110000001000101…
…01011001111011010
31010111202212220210210
423000202223033122
5143201441000244
65232524551550
7565626316323
oct130042531732
933452786723
1011820250074
11501624a916
12235a6b25b6
131164b4a719
14801bcb44a
15492ab64b9
hex2c08ab3da

11820250074 has 16 divisors (see below), whose sum is σ = 23645082240. Its totient is φ = 3939319680.

The previous prime is 11820250063. The next prime is 11820250109. The reversal of 11820250074 is 47005202811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156919 + ... + 219690.

It is an arithmetic number, because the mean of its divisors is an integer number (1477817640).

Almost surely, 211820250074 is an apocalyptic number.

11820250074 is an abundant number, since it is smaller than the sum of its proper divisors (11824832166).

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

11820250074 is a wasteful number, since it uses less digits than its factorization.

11820250074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381845.

The product of its (nonzero) digits is 4480, while the sum is 30.

Adding to 11820250074 its reverse (47005202811), we get a palindrome (58825452885).

The spelling of 11820250074 in words is "eleven billion, eight hundred twenty million, two hundred fifty thousand, seventy-four".

Divisors: 1 2 3 6 5231 10462 15693 31386 376609 753218 1129827 2259654 1970041679 3940083358 5910125037 11820250074