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38153066538 = 236358844423
BaseRepresentation
bin100011100010000110…
…011001100000101010
310122110221201121002110
4203202012121200222
51111114141112123
625305520343150
72520316500066
oct434206314052
9118427647073
1038153066538
11151a9458654
127489474ab6
1337a053bb22
141bbd198aa6
15ed47ac493
hex8e219982a

38153066538 has 8 divisors (see below), whose sum is σ = 76306133088. Its totient is φ = 12717688844.

The previous prime is 38153066533. The next prime is 38153066587. The reversal of 38153066538 is 83566035183.

It is a sphenic number, since it is the product of 3 distinct primes.

38153066538 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (38153066533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3179422206 + ... + 3179422217.

It is an arithmetic number, because the mean of its divisors is an integer number (9538266636).

Almost surely, 238153066538 is an apocalyptic number.

38153066538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38153066538 is a wasteful number, since it uses less digits than its factorization.

38153066538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358844428.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 38153066538 in words is "thirty-eight billion, one hundred fifty-three million, sixty-six thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 6358844423 12717688846 19076533269 38153066538