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1122420351 = 31328780009
BaseRepresentation
bin100001011100110…
…1100011001111111
32220020000212021010
41002321230121333
54244314422401
6303213210303
736546262353
oct10271543177
92806025233
101122420351
11526639028
12273a90993
1314b700970
14a90d7463
1568813ed6
hex42e6c67f

1122420351 has 8 divisors (see below), whose sum is σ = 1611680560. Its totient is φ = 690720192.

The previous prime is 1122420347. The next prime is 1122420407. The reversal of 1122420351 is 1530242211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122420351 - 22 = 1122420347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122420311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14389966 + ... + 14390043.

It is an arithmetic number, because the mean of its divisors is an integer number (201460070).

Almost surely, 21122420351 is an apocalyptic number.

1122420351 is a deficient number, since it is larger than the sum of its proper divisors (489260209).

1122420351 is a wasteful number, since it uses less digits than its factorization.

1122420351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28780025.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1122420351 is about 33502.5424557600. The cubic root of 1122420351 is about 1039.2463570444.

Adding to 1122420351 its reverse (1530242211), we get a palindrome (2652662562).

The spelling of 1122420351 in words is "one billion, one hundred twenty-two million, four hundred twenty thousand, three hundred fifty-one".

Divisors: 1 3 13 39 28780009 86340027 374140117 1122420351