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38777483606438 = 2235871436096719
BaseRepresentation
bin10001101000100100101100…
…01000101011100110100110
312002022002110111122121001202
420310102112020223212212
520040312241300401223
6214250044031122502
711111403123126263
oct1064222610534646
9162262414577052
1038777483606438
11113a0490629265
124423404973432
131883916185c75
14980ba97cc26a
15473a583ec428
hex23449622b9a6

38777483606438 has 16 divisors (see below), whose sum is σ = 60798590737920. Its totient is φ = 18514158888456.

The previous prime is 38777483606437. The next prime is 38777483606441. The reversal of 38777483606438 is 83460638477783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38777483606437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718021358 + ... + 718075361.

It is an arithmetic number, because the mean of its divisors is an integer number (3799911921120).

Almost surely, 238777483606438 is an apocalyptic number.

38777483606438 is a deficient number, since it is larger than the sum of its proper divisors (22021107131482).

38777483606438 is a wasteful number, since it uses less digits than its factorization.

38777483606438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436097331.

The product of its (nonzero) digits is 2731180032, while the sum is 74.

The spelling of 38777483606438 in words is "thirty-eight trillion, seven hundred seventy-seven billion, four hundred eighty-three million, six hundred six thousand, four hundred thirty-eight".

Divisors: 1 2 23 46 587 1174 13501 27002 1436096719 2872193438 33030224537 66060449074 842988774053 1685977548106 19388741803219 38777483606438