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30072073764 = 22323108956789
BaseRepresentation
bin11100000000011011…
…110110111000100100
32212121202220121222210
4130000123312320210
5443041422330024
621452004523420
72113133260305
oct340033667044
985552817883
1030072073764
11118319a1127
1259b30b0570
132ab32ab7b5
141653c4a7ac
15bb0114129
hex7006f6e24

30072073764 has 24 divisors (see below), whose sum is σ = 73218962880. Its totient is φ = 9588197344.

The previous prime is 30072073751. The next prime is 30072073771. The reversal of 30072073764 is 46737027003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54478119 + ... + 54478670.

It is an arithmetic number, because the mean of its divisors is an integer number (3050790120).

Almost surely, 230072073764 is an apocalyptic number.

It is an amenable number.

30072073764 is an abundant number, since it is smaller than the sum of its proper divisors (43146889116).

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

30072073764 is a wasteful number, since it uses less digits than its factorization.

30072073764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108956819 (or 108956817 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 39.

The spelling of 30072073764 in words is "thirty billion, seventy-two million, seventy-three thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 108956789 217913578 326870367 435827156 653740734 1307481468 2506006147 5012012294 7518018441 10024024588 15036036882 30072073764