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30520225115020 = 2254861313929491
BaseRepresentation
bin1101111000010000010110…
…01011010010101110001100
311000001201000222000202201201
412330020023023102232030
513000020410112140040
6144524444200515244
76300004426041514
oct674101313225614
9130051028022651
1030520225115020
1197a7611464843
12350b03577bb24
1314050777a35b4
14777288734844
1537dd7b2e3a9a
hex1bc20b2d2b8c

30520225115020 has 24 divisors (see below), whose sum is σ = 64105657984368. Its totient is φ = 12205578571200.

The previous prime is 30520225114993. The next prime is 30520225115059. The reversal of 30520225115020 is 2051152202503.

It is a self number, because there is not a number n which added to its sum of digits gives 30520225115020.

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, 156867526 + ... + 157061965.

It is an arithmetic number, because the mean of its divisors is an integer number (2671069082682).

Almost surely, 230520225115020 is an apocalyptic number.

It is an amenable number.

30520225115020 is an abundant number, since it is smaller than the sum of its proper divisors (33585432869348).

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

30520225115020 is a wasteful number, since it uses less digits than its factorization.

30520225115020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313934361 (or 313934359 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 30520225115020 its reverse (2051152202503), we get a palindrome (32571377317523).

The spelling of 30520225115020 in words is "thirty trillion, five hundred twenty billion, two hundred twenty-five million, one hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 20 4861 9722 19444 24305 48610 97220 313929491 627858982 1255717964 1569647455 3139294910 6278589820 1526011255751 3052022511502 6104045023004 7630056278755 15260112557510 30520225115020