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11838211284 = 2233972484931
BaseRepresentation
bin10110000011001110…
…01100010011010100
31010120000200102221210
423001213030103110
5143221040230114
65234405541420
7566235064344
oct130147142324
933500612853
1011838211284
1150253a8399
122364714870
131168798b63
14804344d24
15494463259
hex2c19cc4d4

11838211284 has 24 divisors (see below), whose sum is σ = 27692082208. Its totient is φ = 3936129120.

The previous prime is 11838211279. The next prime is 11838211349. The reversal of 11838211284 is 48211283811.

It is a congruent number.

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, 1237702 + ... + 1247229.

Almost surely, 211838211284 is an apocalyptic number.

It is an amenable number.

11838211284 is an abundant number, since it is smaller than the sum of its proper divisors (15853870924).

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

11838211284 is a wasteful number, since it uses less digits than its factorization.

11838211284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485335 (or 2485333 counting only the distinct ones).

The product of its digits is 24576, while the sum is 39.

The spelling of 11838211284 in words is "eleven billion, eight hundred thirty-eight million, two hundred eleven thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 397 794 1191 1588 2382 4764 2484931 4969862 7454793 9939724 14909586 29819172 986517607 1973035214 2959552821 3946070428 5919105642 11838211284