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11977014624 = 2531753138469
BaseRepresentation
bin10110010011110001…
…01011110101100000
31010220200212101100020
423021320223311200
5144012103431444
65300244553440
7602541641661
oct131170536540
933820771306
1011977014624
1150967923a3
1223a30b2880
13118b477603
14818957368
154a1730119
hex2c9e2bd60

11977014624 has 96 divisors (see below), whose sum is σ = 33917395680. Its totient is φ = 3686572032.

The previous prime is 11977014617. The next prime is 11977014689. The reversal of 11977014624 is 42641077911.

11977014624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×119770146242 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17262 + ... + 155730.

It is an arithmetic number, because the mean of its divisors is an integer number (353306205).

Almost surely, 211977014624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11977014624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16958697840).

11977014624 is an abundant number, since it is smaller than the sum of its proper divisors (21940381056).

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

11977014624 is a wasteful number, since it uses less digits than its factorization.

11977014624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138552 (or 138544 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 11977014624 in words is "eleven billion, nine hundred seventy-seven million, fourteen thousand, six hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 53 68 96 102 106 136 159 204 212 272 318 408 424 544 636 816 848 901 1272 1632 1696 1802 2544 2703 3604 5088 5406 7208 10812 14416 21624 28832 43248 86496 138469 276938 415407 553876 830814 1107752 1661628 2215504 2353973 3323256 4431008 4707946 6646512 7061919 7338857 9415892 13293024 14123838 14677714 18831784 22016571 28247676 29355428 37663568 44033142 56495352 58710856 75327136 88066284 112990704 117421712 124760569 176132568 225981408 234843424 249521138 352265136 374281707 499042276 704530272 748563414 998084552 1497126828 1996169104 2994253656 3992338208 5988507312 11977014624