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4952145861 = 3213154327431
BaseRepresentation
bin1001001110010101…
…11011111111000101
3110210010100002000200
410213022323333011
540120222131421
62135221401113
7233501355015
oct44712737705
913703302020
104952145861
1121113a2533
12b62569199
1360bc75130
1434d9a5c45
151deb52726
hex1272bbfc5

4952145861 has 24 divisors (see below), whose sum is σ = 7708611456. Its totient is φ = 3045388320.

The previous prime is 4952145841. The next prime is 4952145901. The reversal of 4952145861 is 1685412594.

4952145861 is a `hidden beast` number, since 4 + 9 + 52 + 14 + 586 + 1 = 666.

It is not a de Polignac number, because 4952145861 - 26 = 4952145797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4952145841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166816 + ... + 194246.

It is an arithmetic number, because the mean of its divisors is an integer number (321192144).

Almost surely, 24952145861 is an apocalyptic number.

It is an amenable number.

4952145861 is a deficient number, since it is larger than the sum of its proper divisors (2756465595).

4952145861 is a wasteful number, since it uses less digits than its factorization.

4952145861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28993 (or 28990 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 4952145861 is about 70371.4847150463. The cubic root of 4952145861 is about 1704.5031545374.

The spelling of 4952145861 in words is "four billion, nine hundred fifty-two million, one hundred forty-five thousand, eight hundred sixty-one".

Divisors: 1 3 9 13 39 117 1543 4629 13887 20059 27431 60177 82293 180531 246879 356603 1069809 3209427 42326033 126978099 380934297 550238429 1650715287 4952145861