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3138977211 = 36983149839
BaseRepresentation
bin1011101100011000…
…1111110110111011
322002202112120020020
42323012033312323
522412034232321
61235251101523
7140533603026
oct27306176673
98082476206
103138977211
111370964047
127372a18a3
133b0424186
1421ac621bd
151358974c6
hexbb18fdbb

3138977211 has 8 divisors (see below), whose sum is σ = 4185930240. Its totient is φ = 2092337832.

The previous prime is 3138977209. The next prime is 3138977267. The reversal of 3138977211 is 1127798313.

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

It is not a de Polignac number, because 3138977211 - 21 = 3138977209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3138977411) 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, 53971 + ... + 95868.

It is an arithmetic number, because the mean of its divisors is an integer number (523241280).

Almost surely, 23138977211 is an apocalyptic number.

3138977211 is a deficient number, since it is larger than the sum of its proper divisors (1046953029).

3138977211 is a wasteful number, since it uses less digits than its factorization.

3138977211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156825.

The product of its digits is 63504, while the sum is 42.

The square root of 3138977211 is about 56026.5759349971. The cubic root of 3138977211 is about 1464.1853401061.

The spelling of 3138977211 in words is "three billion, one hundred thirty-eight million, nine hundred seventy-seven thousand, two hundred eleven".

Divisors: 1 3 6983 20949 149839 449517 1046325737 3138977211