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4951889131 = 76712783137
BaseRepresentation
bin1001001110010011…
…11101010011101011
3110210002212000212011
410213021331103223
540120140423011
62135212100351
7233466235360
oct44711752353
913702760764
104951889131
112111237662
12b624646b7
1360bbb5317
1434d93a467
151deb01621
hex12727d4eb

4951889131 has 16 divisors (see below), whose sum is σ = 5789065216. Its totient is φ = 4148153856.

The previous prime is 4951889123. The next prime is 4951889141. The reversal of 4951889131 is 1319881594.

It is not a de Polignac number, because 4951889131 - 23 = 4951889123 is a prime.

It is a super-2 number, since 2×49518891312 = 49042411931431870322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4951889101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17995 + ... + 101131.

It is an arithmetic number, because the mean of its divisors is an integer number (361816576).

Almost surely, 24951889131 is an apocalyptic number.

4951889131 is a deficient number, since it is larger than the sum of its proper divisors (837176085).

4951889131 is a wasteful number, since it uses less digits than its factorization.

4951889131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83338.

The product of its digits is 311040, while the sum is 49.

The square root of 4951889131 is about 70369.6605860793. The cubic root of 4951889131 is about 1704.4736989795.

The spelling of 4951889131 in words is "four billion, nine hundred fifty-one million, eight hundred eighty-nine thousand, one hundred thirty-one".

Divisors: 1 7 67 127 469 889 8509 59563 83137 581959 5570179 10558399 38991253 73908793 707412733 4951889131