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38994972696 = 2334193167233
BaseRepresentation
bin100100010100010010…
…000001000000011000
310201122121220212020000
4210110102001000120
51114330203111241
625525233333000
72550221541021
oct442422010030
9121577825200
1038994972696
11155a0711169
127683407160
1338a5aa5054
141c5cd11c48
151033660eb6
hex914481018

38994972696 has 80 divisors (see below), whose sum is σ = 114970594200. Its totient is φ = 12314198016.

The previous prime is 38994972689. The next prime is 38994972703. The reversal of 38994972696 is 69627949983.

38994972696 is a `hidden beast` number, since 389 + 94 + 9 + 72 + 6 + 96 = 666.

It is an interprime number because it is at equal distance from previous prime (38994972689) and next prime (38994972703).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1571305 + ... + 1595928.

Almost surely, 238994972696 is an apocalyptic number.

38994972696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38994972696 is an abundant number, since it is smaller than the sum of its proper divisors (75975621504).

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

38994972696 is a wasteful number, since it uses less digits than its factorization.

38994972696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167270 (or 3167257 counting only the distinct ones).

The product of its digits is 317447424, while the sum is 72.

The spelling of 38994972696 in words is "thirty-eight billion, nine hundred ninety-four million, nine hundred seventy-two thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 72 76 81 108 114 152 162 171 216 228 324 342 456 513 648 684 1026 1368 1539 2052 3078 4104 6156 12312 3167233 6334466 9501699 12668932 19003398 25337864 28505097 38006796 57010194 60177427 76013592 85515291 114020388 120354854 171030582 180532281 228040776 240709708 256545873 342061164 361064562 481419416 513091746 541596843 684122328 722129124 1026183492 1083193686 1444258248 1624790529 2052366984 2166387372 3249581058 4332774744 4874371587 6499162116 9748743174 12998324232 19497486348 38994972696