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45948755437 = 138609410561
BaseRepresentation
bin101010110010110000…
…100101110111101101
311101121020200121211221
4222302300211313231
51223100340133222
633035241143341
73214436656054
oct526260456755
9141536617757
1045948755437
1118539969052
128aa418ab51
1344436485b0
14231c67b39b
1512ddd9b0c7
hexab2c25ded

45948755437 has 8 divisors (see below), whose sum is σ = 49489143480. Its totient is φ = 42409205760.

The previous prime is 45948755381. The next prime is 45948755449. The reversal of 45948755437 is 73455784954.

It can be written as a sum of positive squares in 4 ways, for example, as 7074323881 + 38874431556 = 84109^2 + 197166^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45948755437 is a prime.

It is a super-2 number, since 2×459487554372 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45948755137) 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, 93364 + ... + 317197.

It is an arithmetic number, because the mean of its divisors is an integer number (6186142935).

Almost surely, 245948755437 is an apocalyptic number.

It is an amenable number.

45948755437 is a deficient number, since it is larger than the sum of its proper divisors (3540388043).

45948755437 is a wasteful number, since it uses less digits than its factorization.

45948755437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419183.

The product of its digits is 84672000, while the sum is 61.

The spelling of 45948755437 in words is "forty-five billion, nine hundred forty-eight million, seven hundred fifty-five thousand, four hundred thirty-seven".

Divisors: 1 13 8609 111917 410561 5337293 3534519649 45948755437