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1138069684 = 221847154043
BaseRepresentation
bin100001111010101…
…1001000010110100
32221022110221010001
41003311121002310
54312321212214
6304532441044
740126301263
oct10365310264
92838427101
101138069684
11534457664
12279179184
13151a1ca1b
14ab20c5da
1569da5c74
hex43d590b4

1138069684 has 12 divisors (see below), whose sum is σ = 1992713184. Its totient is φ = 568723064.

The previous prime is 1138069663. The next prime is 1138069697. The reversal of 1138069684 is 4869608311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69634 + ... + 84409.

It is an arithmetic number, because the mean of its divisors is an integer number (166059432).

Almost surely, 21138069684 is an apocalyptic number.

It is an amenable number.

1138069684 is a deficient number, since it is larger than the sum of its proper divisors (854643500).

1138069684 is a wasteful number, since it uses less digits than its factorization.

1138069684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155894 (or 155892 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1138069684 is about 33735.2884084307. The cubic root of 1138069684 is about 1044.0539759139.

The spelling of 1138069684 in words is "one billion, one hundred thirty-eight million, sixty-nine thousand, six hundred eighty-four".

Divisors: 1 2 4 1847 3694 7388 154043 308086 616172 284517421 569034842 1138069684