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74268086193 = 3477116711047
BaseRepresentation
bin100010100101010111…
…0010000111110110001
321002200212111200110000
41011022232100332301
52204100112224233
654041314500213
75236301213430
oct1051256207661
9232625450400
1074268086193
1129551442434
1212488294669
137007771a42
1438477d3117
151dea18dd13
hex114ab90fb1

74268086193 has 80 divisors (see below), whose sum is σ = 129360236544. Its totient is φ = 41586864480.

The previous prime is 74268086171. The next prime is 74268086197. The reversal of 74268086193 is 39168086247.

It is not a de Polignac number, because 74268086193 - 28 = 74268085937 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74268086197) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6717396 + ... + 6728442.

Almost surely, 274268086193 is an apocalyptic number.

It is an amenable number.

74268086193 is a deficient number, since it is larger than the sum of its proper divisors (55092150351).

74268086193 is a wasteful number, since it uses less digits than its factorization.

74268086193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11304 (or 11295 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

Adding to 74268086193 its sum of digits (54), we get a palindrome (74268086247).

The spelling of 74268086193 in words is "seventy-four billion, two hundred sixty-eight million, eighty-six thousand, one hundred ninety-three".

Divisors: 1 3 7 9 21 27 63 71 81 167 189 213 497 501 567 639 1169 1491 1503 1917 3507 4473 4509 5751 10521 11047 11857 13419 13527 31563 33141 35571 40257 77329 82999 94689 99423 106713 231987 248997 298269 320139 695961 746991 784337 894807 960417 1844849 2087883 2240973 2353011 5490359 5534547 6263649 6722919 7059033 12913943 16471077 16603641 21177099 38741829 49413231 49810923 63531297 116225487 130984279 148239693 149432769 348676461 392952837 444719079 916889953 1046029383 1178858511 2750669859 3536575533 8252009577 10609726599 24756028731 74268086193