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351120245401 = 2912107594669
BaseRepresentation
bin1010001110000000110…
…01011100001010011001
31020120022011200120011101
411013000121130022121
521223043240323101
6425145153231401
734240041561562
oct5070031341231
91216264616141
10351120245401
11125a002522a2
1258071562561
13271589ba323
1412dcc561169
159200588401
hex51c065c299

351120245401 has 4 divisors (see below), whose sum is σ = 363227840100. Its totient is φ = 339012650704.

The previous prime is 351120245383. The next prime is 351120245407. The reversal of 351120245401 is 104542021153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104542021153 = 313372323263.

It can be written as a sum of positive squares in 2 ways, for example, as 287301360025 + 63818885376 = 536005^2 + 252624^2 .

It is a cyclic number.

It is not a de Polignac number, because 351120245401 - 29 = 351120244889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 351120245401.

It is not an unprimeable number, because it can be changed into a prime (351120245407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6053797306 + ... + 6053797363.

It is an arithmetic number, because the mean of its divisors is an integer number (90806960025).

Almost surely, 2351120245401 is an apocalyptic number.

It is an amenable number.

351120245401 is a deficient number, since it is larger than the sum of its proper divisors (12107594699).

351120245401 is a wasteful number, since it uses less digits than its factorization.

351120245401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12107594698.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 351120245401 its reverse (104542021153), we get a palindrome (455662266554).

The spelling of 351120245401 in words is "three hundred fifty-one billion, one hundred twenty million, two hundred forty-five thousand, four hundred one".

Divisors: 1 29 12107594669 351120245401