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85478624023 = 138783748637
BaseRepresentation
bin100111110011011101…
…1000100101100010111
322011122011010000021211
41033212323010230113
52400030011432043
6103133543322251
76114145213252
oct1174673045427
9264564100254
1085478624023
1133284500431
1214696750387
1380a31a2c90
1441cc62a099
152354469a9d
hex13e6ec4b17

85478624023 has 8 divisors (see below), whose sum is σ = 92064506688. Its totient is φ = 78894256224.

The previous prime is 85478624017. The next prime is 85478624027. The reversal of 85478624023 is 32042687458.

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-85478624023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85478624027) 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, 260140 + ... + 488497.

It is an arithmetic number, because the mean of its divisors is an integer number (11508063336).

Almost surely, 285478624023 is an apocalyptic number.

85478624023 is a deficient number, since it is larger than the sum of its proper divisors (6585882665).

85478624023 is a wasteful number, since it uses less digits than its factorization.

85478624023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757433.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 85478624023 in words is "eighty-five billion, four hundred seventy-eight million, six hundred twenty-four thousand, twenty-three".

Divisors: 1 13 8783 114179 748637 9732281 6575278771 85478624023