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7138607808607 = 11191812234092069
BaseRepresentation
bin110011111100001011000…
…1011101100000001011111
3221021102222212000012120021
41213320112023230001133
51413424332044333412
623103233043533011
71334514233125402
oct147702613540137
927242885005507
107138607808607
112302515006490
1297361538a167
133ca224944122
141a97209c5d39
15c5a590be607
hex67e162ec05f

7138607808607 has 64 divisors (see below), whose sum is σ = 8303952384000. Its totient is φ = 6068881843200.

The previous prime is 7138607808547. The next prime is 7138607808643. The reversal of 7138607808607 is 7068087068317.

It is not a de Polignac number, because 7138607808607 - 215 = 7138607775839 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 (7138607808667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3450268569 + ... + 3450270637.

It is an arithmetic number, because the mean of its divisors is an integer number (129749256000).

Almost surely, 27138607808607 is an apocalyptic number.

7138607808607 is a deficient number, since it is larger than the sum of its proper divisors (1165344575393).

7138607808607 is a wasteful number, since it uses less digits than its factorization.

7138607808607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912.

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 7138607808607 in words is "seven trillion, one hundred thirty-eight billion, six hundred seven million, eight hundred eight thousand, six hundred seven".

Divisors: 1 11 19 181 209 223 409 1991 2069 2453 3439 4237 4499 7771 22759 37829 39311 40363 46607 74029 85481 91207 374489 432421 443993 461387 766897 814319 846221 1003277 1406551 1732933 4119379 5075257 7115291 8435867 8766353 9308431 15472061 16078199 16508467 19062263 78268201 83511047 96429883 153166001 176860189 181593137 188707283 313660873 918621517 1586709893 1684826011 2075780113 2910154019 3450269603 3585438377 17453808823 32011694209 34156018223 39439822147 375716200453 648964346237 7138607808607