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30089773784 = 2375317219
BaseRepresentation
bin11100000001011111…
…011000001011011000
32212200000012212212002
4130001133120023120
5443110440230114
621453440140132
72113436600000
oct340137301330
985600185762
1030089773784
1111840990444
1259b9007648
132ab6b68095
141656337000
15bb195d7de
hex7017d82d8

30089773784 has 96 divisors (see below), whose sum is σ = 67953484800. Its totient is φ = 12477900960.

The previous prime is 30089773739. The next prime is 30089773789. The reversal of 30089773784 is 48737798003.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30089773789) 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, 4164527 + ... + 4171745.

It is an arithmetic number, because the mean of its divisors is an integer number (707848800).

Almost surely, 230089773784 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 30089773784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33976742400).

30089773784 is an abundant number, since it is smaller than the sum of its proper divisors (37863711016).

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

30089773784 is an frugal number, since it uses more digits than its factorization.

30089773784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291 (or 7259 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 30089773784 in words is "thirty billion, eighty-nine million, seven hundred seventy-three thousand, seven hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 31 49 56 62 98 124 196 217 248 343 392 434 686 868 1372 1519 1736 2401 2744 3038 4802 6076 7219 9604 10633 12152 14438 16807 19208 21266 28876 33614 42532 50533 57752 67228 74431 85064 101066 134456 148862 202132 223789 297724 353731 404264 447578 521017 595448 707462 895156 1042034 1414924 1566523 1790312 2084068 2476117 2829848 3133046 4168136 4952234 6266092 9904468 10965661 12532184 17332819 19808936 21931322 34665638 43862644 69331276 76759627 87725288 121329733 138662552 153519254 242659466 307038508 485318932 537317389 614077016 970637864 1074634778 2149269556 3761221723 4298539112 7522443446 15044886892 30089773784