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1870425493225 = 522735272
BaseRepresentation
bin11011001101111110000…
…011000000111011101001
320121210220011112220022121
4123031332003000323221
5221121112411240400
63551132301351241
7252063613240522
oct33157603007351
96553804486277
101870425493225
1166127447a053
12262601868521
131074c38889a3
1466759b03849
15339c26b621a
hex1b37e0c0ee9

1870425493225 has 9 divisors (see below), whose sum is σ = 2319336090967. Its totient is φ = 1496334924040.

The previous prime is 1870425493193. The next prime is 1870425493297. The reversal of 1870425493225 is 5223945240781.

The square root of 1870425493225 is 1367635.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 673353177561 + 1197072315664 = 820581^2 + 1094108^2 .

It is not a de Polignac number, because 1870425493225 - 25 = 1870425493193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6701412 + ... + 6974938.

Almost surely, 21870425493225 is an apocalyptic number.

1870425493225 is the 1367635-th square number.

1870425493225 is the 683818-th centered octagonal number.

It is an amenable number.

1870425493225 is a deficient number, since it is larger than the sum of its proper divisors (448910597742).

1870425493225 is an frugal number, since it uses more digits than its factorization.

1870425493225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547064 (or 273532 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 1870425493225 in words is "one trillion, eight hundred seventy billion, four hundred twenty-five million, four hundred ninety-three thousand, two hundred twenty-five".

Divisors: 1 5 25 273527 1367635 6838175 74817019729 374085098645 1870425493225