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4763109981 = 371912793997
BaseRepresentation
bin1000110111110011…
…10100101001011101
3110021221122001112210
410123321310221131
534223324004411
62104345551033
7226014524010
oct43371645135
913257561483
104763109981
112024719033
12b0b1a5479
135aba59496
14332839377
151cd261ca6
hex11be74a5d

4763109981 has 32 divisors (see below), whose sum is σ = 7700316160. Its totient is φ = 2558195136.

The previous prime is 4763109977. The next prime is 4763110021. The reversal of 4763109981 is 1899013674.

It is a happy number.

It is not a de Polignac number, because 4763109981 - 22 = 4763109977 is a prime.

It is a super-2 number, since 2×47631099812 = 45374433382203640722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4763109981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4763309981) 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 31 ways as a sum of consecutive naturals, for example, 3675 + ... + 97671.

It is an arithmetic number, because the mean of its divisors is an integer number (240634880).

Almost surely, 24763109981 is an apocalyptic number.

It is an amenable number.

4763109981 is a deficient number, since it is larger than the sum of its proper divisors (2937206179).

4763109981 is a wasteful number, since it uses less digits than its factorization.

4763109981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94153.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 4763109981 is about 69015.2880237415. The cubic root of 4763109981 is about 1682.5327892390.

The spelling of 4763109981 in words is "four billion, seven hundred sixty-three million, one hundred nine thousand, nine hundred eighty-one".

Divisors: 1 3 7 19 21 57 127 133 381 399 889 2413 2667 7239 16891 50673 93997 281991 657979 1785943 1973937 5357829 11937619 12501601 35812857 37504803 83563333 226814761 250689999 680444283 1587703327 4763109981