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78250106417 = 7372395472311
BaseRepresentation
bin100100011100000010…
…0011101111000110001
321110222101101021021112
41020320010131320301
52240224011401132
655540403203105
75440052634020
oct1107004357061
9243871337245
1078250106417
113020516613a
12131b9976495
1374c0739722
143b045c68b7
15207ea61ab2
hex123811de31

78250106417 has 32 divisors (see below), whose sum is σ = 92438568960. Its totient is φ = 64838854080.

The previous prime is 78250106401. The next prime is 78250106437. The reversal of 78250106417 is 71460105287.

It is not a de Polignac number, because 78250106417 - 24 = 78250106401 is a prime.

It is a super-2 number, since 2×782501064172 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78250106437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33858692 + ... + 33861002.

It is an arithmetic number, because the mean of its divisors is an integer number (2888705280).

Almost surely, 278250106417 is an apocalyptic number.

It is an amenable number.

78250106417 is a deficient number, since it is larger than the sum of its proper divisors (14188462543).

78250106417 is a wasteful number, since it uses less digits than its factorization.

78250106417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 78250106417 in words is "seventy-eight billion, two hundred fifty million, one hundred six thousand, four hundred seventeen".

Divisors: 1 7 37 239 259 547 1673 2311 3829 8843 16177 20239 61901 85507 130733 141673 552329 598549 915131 1264117 3866303 4837121 8848819 20436173 33859847 46772329 143053211 302123963 327406303 2114867741 11178586631 78250106417