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72851789000070 = 234589940480247
BaseRepresentation
bin10000100100001000100001…
…000000010010110110000110
3100112221120012102202011010000
4100210020201000102312012
534022100430441000240
6414535352210542130
721226240150130403
oct2044104100226606
9315846172664100
1072851789000070
11212382a7714a03
1282071b8897946
133185b817c5782
1413dc08c81d2aa
1586509773e430
hex424221012d86

72851789000070 has 40 divisors (see below), whose sum is σ = 195890365980144. Its totient is φ = 19427143733136.

The previous prime is 72851789000041. The next prime is 72851789000083. The reversal of 72851789000070 is 7000098715827.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 72851788999980 and 72851789000016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44970239314 + ... + 44970240933.

Almost surely, 272851789000070 is an apocalyptic number.

72851789000070 is an abundant number, since it is smaller than the sum of its proper divisors (123038576980074).

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

72851789000070 is a wasteful number, since it uses less digits than its factorization.

72851789000070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89940480266 (or 89940480257 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 54.

The spelling of 72851789000070 in words is "seventy-two trillion, eight hundred fifty-one billion, seven hundred eighty-nine million, seventy", and thus it is an aban number.

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 89940480247 179880960494 269821440741 449702401235 539642881482 809464322223 899404802470 1349107203705 1618928644446 2428392966669 2698214407410 4047321611115 4856785933338 7285178900007 8094643222230 12141964833345 14570357800014 24283929666690 36425894500035 72851789000070