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3149972078 = 211143180549
BaseRepresentation
bin1011101111000000…
…1100001001101110
322010112020011100112
42323300030021232
522422343101303
61240322500022
7141026215031
oct27360141156
98115204315
103149972078
111377093710
1273ab04612
133b27a3806
1421c4c5018
1513681a0d8
hexbbc0c26e

3149972078 has 8 divisors (see below), whose sum is σ = 5154499800. Its totient is φ = 1431805480.

The previous prime is 3149972071. The next prime is 3149972087. The reversal of 3149972078 is 8702799413.

3149972078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149972071) 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, 71590253 + ... + 71590296.

It is an arithmetic number, because the mean of its divisors is an integer number (644312475).

Almost surely, 23149972078 is an apocalyptic number.

3149972078 is a deficient number, since it is larger than the sum of its proper divisors (2004527722).

3149972078 is a wasteful number, since it uses less digits than its factorization.

3149972078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143180562.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 3149972078 is about 56124.6120521113. The cubic root of 3149972078 is about 1465.8928775658.

The spelling of 3149972078 in words is "three billion, one hundred forty-nine million, nine hundred seventy-two thousand, seventy-eight".

Divisors: 1 2 11 22 143180549 286361098 1574986039 3149972078