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14820739488 = 25321073311453
BaseRepresentation
bin11011100110110001…
…01000100110100000
31102020212211120111100
431303120220212200
5220323102130423
610450351514400
71033162131012
oct156330504640
942225746440
1014820739488
116315a14a35
122a57528a00
131522673949
14a084c01b2
155bb205343
hex3736289a0

14820739488 has 144 divisors (see below), whose sum is σ = 42698257056. Its totient is φ = 4875932160.

The previous prime is 14820739487. The next prime is 14820739511. The reversal of 14820739488 is 88493702841.

It is a happy number.

14820739488 is a `hidden beast` number, since 1 + 48 + 207 + 394 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-5 number, since 5×148207394885 (a number of 52 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (14820739487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10199370 + ... + 10200822.

It is an arithmetic number, because the mean of its divisors is an integer number (296515674).

Almost surely, 214820739488 is an apocalyptic number.

14820739488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14820739488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21349128528).

14820739488 is an abundant number, since it is smaller than the sum of its proper divisors (27877517568).

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

14820739488 is a wasteful number, since it uses less digits than its factorization.

14820739488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 14820739488 in words is "fourteen billion, eight hundred twenty million, seven hundred thirty-nine thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 107 144 214 288 321 331 428 642 662 856 963 993 1284 1324 1453 1712 1926 1986 2568 2648 2906 2979 3424 3852 3972 4359 5136 5296 5812 5958 7704 7944 8718 10272 10592 11624 11916 13077 15408 15888 17436 23248 23832 26154 30816 31776 34872 35417 46496 47664 52308 69744 70834 95328 104616 106251 139488 141668 155471 209232 212502 283336 310942 318753 418464 425004 466413 480943 566672 621884 637506 850008 932826 961886 1133344 1243768 1275012 1399239 1442829 1700016 1865652 1923772 2487536 2550024 2798478 2885658 3400032 3731304 3847544 4328487 4975072 5100048 5596956 5771316 7462608 7695088 8656974 10200096 11193912 11542632 14925216 15390176 17313948 22387824 23085264 34627896 44775648 46170528 51460901 69255792 102921802 138511584 154382703 205843604 308765406 411687208 463148109 617530812 823374416 926296218 1235061624 1646748832 1852592436 2470123248 3705184872 4940246496 7410369744 14820739488