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156220630564157 = 137227293049957
BaseRepresentation
bin100011100001010011110011…
…001100001111110100111101
3202111010112202100100021110222
4203201103303030033310331
5130434004322411023112
61312130433353511125
744622365600133125
oct4341236314176475
9674115670307428
10156220630564157
114585a885321035
12156307311124a5
136922708430093
142a81194233c85
15130d9ccb11372
hex8e14f330fd3d

156220630564157 has 12 divisors (see below), whose sum is σ = 157426967623380. Its totient is φ = 155023456363776.

The previous prime is 156220630564111. The next prime is 156220630564199. The reversal of 156220630564157 is 751465036022651.

It can be written as a sum of positive squares in 6 ways, for example, as 55126674970756 + 101093955593401 = 7424734^2 + 10054549^2 .

It is not a de Polignac number, because 156220630564157 - 26 = 156220630564093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156220630564099 and 156220630564108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156220690564157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49695623 + ... + 52745579.

It is an arithmetic number, because the mean of its divisors is an integer number (13118913968615).

Almost surely, 2156220630564157 is an apocalyptic number.

It is an amenable number.

156220630564157 is a deficient number, since it is larger than the sum of its proper divisors (1206337059223).

156220630564157 is an equidigital number, since it uses as much as digits as its factorization.

156220630564157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052960 (or 3052823 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 156220630564157 in words is "one hundred fifty-six trillion, two hundred twenty billion, six hundred thirty million, five hundred sixty-four thousand, one hundred fifty-seven".

Divisors: 1 137 2729 18769 373873 3049957 51220601 417844109 8323332653 57244642933 1140296573461 156220630564157