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38183897277 = 3229146298457
BaseRepresentation
bin100011100011111100…
…000000100010111101
310122120002201221220200
4203203330000202331
51111200034203102
625312541234113
72521142525451
oct434374004275
9118502657820
1038183897277
11152148a61a9
127497862939
1337a6a44c76
141bc3302661
15ed734c51c
hex8e3f008bd

38183897277 has 12 divisors (see below), whose sum is σ = 57056398620. Its totient is φ = 24578140608.

The previous prime is 38183897267. The next prime is 38183897287. The reversal of 38183897277 is 77279838183.

It is an interprime number because it is at equal distance from previous prime (38183897267) and next prime (38183897287).

It can be written as a sum of positive squares in 2 ways, for example, as 18207184356 + 19976712921 = 134934^2 + 141339^2 .

It is not a de Polignac number, because 38183897277 - 24 = 38183897261 is a prime.

It is a super-2 number, since 2×381838972772 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38183897267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73148968 + ... + 73149489.

It is an arithmetic number, because the mean of its divisors is an integer number (4754699885).

Almost surely, 238183897277 is an apocalyptic number.

It is an amenable number.

38183897277 is a deficient number, since it is larger than the sum of its proper divisors (18872501343).

38183897277 is a wasteful number, since it uses less digits than its factorization.

38183897277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146298492 (or 146298489 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The spelling of 38183897277 in words is "thirty-eight billion, one hundred eighty-three million, eight hundred ninety-seven thousand, two hundred seventy-seven".

Divisors: 1 3 9 29 87 261 146298457 438895371 1316686113 4242655253 12727965759 38183897277