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38678445242152 = 2313136906913399
BaseRepresentation
bin10001100101101100001101…
…11111010011011100101000
312001221121211100111102000121
420302312012333103130220
520032201423440222102
6214132344335213024
711101265633665402
oct1062660677233450
9161847740442017
1038678445242152
1111362488aa3321
124408185077174
131877491970551
1497a09236db72
154711ad816b37
hex232d86fd3728

38678445242152 has 16 divisors (see below), whose sum is σ = 73075688532000. Its totient is φ = 19191594966960.

The previous prime is 38678445242131. The next prime is 38678445242191. The reversal of 38678445242152 is 25124254487683.

It is a super-2 number, since 2×386784452421522 (a number of 28 digits) contains 22 as substring.

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, 18453455652 + ... + 18453457747.

It is an arithmetic number, because the mean of its divisors is an integer number (4567230533250).

Almost surely, 238678445242152 is an apocalyptic number.

It is an amenable number.

38678445242152 is a deficient number, since it is larger than the sum of its proper divisors (34397243289848).

38678445242152 is a wasteful number, since it uses less digits than its factorization.

38678445242152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36906913536 (or 36906913532 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 61.

The spelling of 38678445242152 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred forty-five million, two hundred forty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 131 262 524 1048 36906913399 73813826798 147627653596 295255307192 4834805655269 9669611310538 19339222621076 38678445242152