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38238909694 = 24113116321839
BaseRepresentation
bin100011100111001101…
…110111010011111110
310122200221020212202121
4203213031313103332
51111303130102234
625322224313154
72522411240506
oct434715672376
9118627225677
1038238909694
111524295a907
1274b21727ba
1337b52669ab
141bca742a06
15edc0b74b4
hex8e73774fe

38238909694 has 32 divisors (see below), whose sum is σ = 59571832320. Its totient is φ = 18396331200.

The previous prime is 38238909617. The next prime is 38238909701. The reversal of 38238909694 is 49690983283.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1740027 + ... + 1761865.

It is an arithmetic number, because the mean of its divisors is an integer number (1861619760).

Almost surely, 238238909694 is an apocalyptic number.

38238909694 is a deficient number, since it is larger than the sum of its proper divisors (21332922626).

38238909694 is a wasteful number, since it uses less digits than its factorization.

38238909694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22176.

The product of its (nonzero) digits is 20155392, while the sum is 61.

The spelling of 38238909694 in words is "thirty-eight billion, two hundred thirty-eight million, nine hundred nine thousand, six hundred ninety-four".

Divisors: 1 2 41 82 131 163 262 326 5371 6683 10742 13366 21353 21839 42706 43678 875473 895399 1750946 1790798 2860909 3559757 5721818 7119514 117297269 145950037 234594538 291900074 466328167 932656334 19119454847 38238909694