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38717272775064 = 23313761631629319
BaseRepresentation
bin10001100110110100100010…
…10010100101100110011000
312002002100001022100110001010
420303122101102211212120
520033320433312300224
6214202245232053520
711104142053402662
oct1063322122454630
9162070038313033
1038717272775064
11113779a31404a4
1244138003942a0
13187b03bb4b6b0
1497bcd6d37532
154721d2400e29
hex2336914a5998

38717272775064 has 64 divisors (see below), whose sum is σ = 104240243923200. Its totient is φ = 11912843281536.

The previous prime is 38717272775039. The next prime is 38717272775141. The reversal of 38717272775064 is 46057727271783.

It is a happy number.

It is a super-2 number, since 2×387172727750642 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38717272774986 and 38717272775004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22948197 + ... + 24577515.

It is an arithmetic number, because the mean of its divisors is an integer number (1628753811300).

Almost surely, 238717272775064 is an apocalyptic number.

It is an amenable number.

38717272775064 is an abundant number, since it is smaller than the sum of its proper divisors (65522971148136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38717272775064 is a wasteful number, since it uses less digits than its factorization.

38717272775064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705504 (or 1705500 counting only the distinct ones).

The product of its (nonzero) digits is 193616640, while the sum is 66.

The spelling of 38717272775064 in words is "thirty-eight trillion, seven hundred seventeen billion, two hundred seventy-two million, seven hundred seventy-five thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 76163 152326 228489 304652 456978 609304 913956 990119 1629319 1827912 1980238 2970357 3258638 3960476 4887957 5940714 6517276 7920952 9775914 11881428 13034552 19551828 21181147 23762856 39103656 42362294 63543441 84724588 127086882 169449176 254173764 508347528 124093822997 248187645994 372281468991 496375291988 744562937982 992750583976 1489125875964 1613219698961 2978251751928 3226439397922 4839659096883 6452878795844 9679318193766 12905757591688 19358636387532 38717272775064