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11400486812 = 22111319930921
BaseRepresentation
bin10101001111000010…
…11001111110011100
31002102112000201212022
422213201121332130
5141322011034222
65123131555312
7552341352611
oct124741317634
932375021768
1011400486812
114920306530
122261bbbb38
1310c8ba96b0
147a2160508
1546acec042
hex2a7859f9c

11400486812 has 24 divisors (see below), whose sum is σ = 23438764272. Its totient is φ = 4783420800.

The previous prime is 11400486791. The next prime is 11400486857. The reversal of 11400486812 is 21868400411.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9964889 + ... + 9966032.

It is an arithmetic number, because the mean of its divisors is an integer number (976615178).

Almost surely, 211400486812 is an apocalyptic number.

It is an amenable number.

11400486812 is an abundant number, since it is smaller than the sum of its proper divisors (12038277460).

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

11400486812 is a wasteful number, since it uses less digits than its factorization.

11400486812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19930949 (or 19930947 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The spelling of 11400486812 in words is "eleven billion, four hundred million, four hundred eighty-six thousand, eight hundred twelve".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 19930921 39861842 79723684 219240131 259101973 438480262 518203946 876960524 1036407892 2850121703 5700243406 11400486812