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64014000765 = 351113193734211
BaseRepresentation
bin111011100111100010…
…000010001001111101
320010020020122011122020
4323213202002021331
52022100041011030
645224014110353
74424220012561
oct734742021175
9203206564566
1064014000765
112516a264270
12104a61ab3b9
136062241480
143153a0d6a1
1519e9d41510
hexee788227d

64014000765 has 128 divisors (see below), whose sum is σ = 127031224320. Its totient is φ = 27062553600.

The previous prime is 64014000763. The next prime is 64014000767. The reversal of 64014000765 is 56700041046.

It is an interprime number because it is at equal distance from previous prime (64014000763) and next prime (64014000767).

It is not a de Polignac number, because 64014000765 - 21 = 64014000763 is a prime.

It is a super-3 number, since 3×640140007653 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64014000763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15199510 + ... + 15203720.

It is an arithmetic number, because the mean of its divisors is an integer number (992431440).

Almost surely, 264014000765 is an apocalyptic number.

64014000765 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64014000765 is a deficient number, since it is larger than the sum of its proper divisors (63017223555).

64014000765 is a wasteful number, since it uses less digits than its factorization.

64014000765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 64014000765 in words is "sixty-four billion, fourteen million, seven hundred sixty-five", and thus it is an aban number.

Divisors: 1 3 5 11 13 15 19 33 39 55 57 65 95 143 165 195 209 247 285 373 429 627 715 741 1045 1119 1235 1865 2145 2717 3135 3705 4103 4211 4849 5595 7087 8151 12309 12633 13585 14547 20515 21055 21261 24245 35435 40755 46321 53339 54743 61545 63165 72735 77957 80009 92131 106305 138963 160017 164229 231605 233871 240027 266695 273715 276393 389785 400045 460655 602173 694815 800085 821145 880099 1013441 1040117 1169355 1200135 1381965 1570703 1806519 2640297 3010865 3040323 3120351 4400495 4712109 5067205 5200585 7853515 9032595 11441287 13201485 15201615 15601755 17277733 20419139 23560545 29843357 34323861 51833199 57206435 61257417 86388665 89530071 102095695 149216785 171619305 224610529 259165995 306287085 328276927 387963641 447650355 673831587 984830781 1123052645 1163890923 1641384635 1939818205 3369157935 4267600051 4924153905 5819454615 12802800153 21338000255 64014000765