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122513057425 = 5211445502027
BaseRepresentation
bin111001000011001011…
…0001110011010010001
3102201020010221011012101
41302012112032122101
54001401320314200
6132140504000401
711564662543303
oct1620626163221
9381203834171
10122513057425
1147a59477390
121b8b1460101
13b725a38bb5
145d02dd5973
1532c091026a
hex1c8658e691

122513057425 has 12 divisors (see below), whose sum is σ = 165726754416. Its totient is φ = 89100405200.

The previous prime is 122513057419. The next prime is 122513057431. The reversal of 122513057425 is 524750315221.

It is an interprime number because it is at equal distance from previous prime (122513057419) and next prime (122513057431).

It is not a de Polignac number, because 122513057425 - 27 = 122513057297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222750739 + ... + 222751288.

It is an arithmetic number, because the mean of its divisors is an integer number (13810562868).

Almost surely, 2122513057425 is an apocalyptic number.

It is an amenable number.

122513057425 is a deficient number, since it is larger than the sum of its proper divisors (43213696991).

122513057425 is a wasteful number, since it uses less digits than its factorization.

122513057425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445502048 (or 445502043 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 122513057425 in words is "one hundred twenty-two billion, five hundred thirteen million, fifty-seven thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 275 445502027 2227510135 4900522297 11137550675 24502611485 122513057425