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530101917122 = 25148312
BaseRepresentation
bin1111011011011001000…
…10010101010111000010
31212200021201021112121212
413231230202111113002
532141122042321442
61043305255450122
753204263643561
oct7555442252702
91780251245555
10530101917122
111948a6792358
12868a2086942
133acb067815b
141b92addbbd8
15dbc868ea82
hex7b6c8955c2

530101917122 has 6 divisors (see below), whose sum is σ = 795154420179. Its totient is φ = 265050443730.

The previous prime is 530101917113. The next prime is 530101917127. The reversal of 530101917122 is 221719101035.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 265050958561 + 265050958561 = 514831^2 + 514831^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=514831.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530101917127) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 772247 + ... + 1287077.

Almost surely, 2530101917122 is an apocalyptic number.

530101917122 is a deficient number, since it is larger than the sum of its proper divisors (265052503057).

530101917122 is an frugal number, since it uses more digits than its factorization.

530101917122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029664 (or 514833 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 32.

Multiplying 530101917122 by its sum of digits (32), we get a square (16963261347904 = 41186482).

The spelling of 530101917122 in words is "five hundred thirty billion, one hundred one million, nine hundred seventeen thousand, one hundred twenty-two".

Divisors: 1 2 514831 1029662 265050958561 530101917122