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1303665242 = 21170983579
BaseRepresentation
bin100110110110100…
…0101101001011010
310100212002001111212
41031231011221122
510132214241432
6333210023122
744206654205
oct11555055132
93325061455
101303665242
11609980aa0
12304717aa2
1317a11c369
14c51d693c
15796b62b2
hex4db45a5a

1303665242 has 16 divisors (see below), whose sum is σ = 2136304800. Its totient is φ = 591732240.

The previous prime is 1303665203. The next prime is 1303665263. The reversal of 1303665242 is 2425663031.

It is a junction number, because it is equal to n+sod(n) for n = 1303665199 and 1303665208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26192 + ... + 57387.

It is an arithmetic number, because the mean of its divisors is an integer number (133519050).

Almost surely, 21303665242 is an apocalyptic number.

1303665242 is a deficient number, since it is larger than the sum of its proper divisors (832639558).

1303665242 is a wasteful number, since it uses less digits than its factorization.

1303665242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84301.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1303665242 is about 36106.3047403082. The cubic root of 1303665242 is about 1092.4176178002.

The spelling of 1303665242 in words is "one billion, three hundred three million, six hundred sixty-five thousand, two hundred forty-two".

Divisors: 1 2 11 22 709 1418 7799 15598 83579 167158 919369 1838738 59257511 118515022 651832621 1303665242