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1230042307 = 131375991153
BaseRepresentation
bin100100101010000…
…1111010011000011
310011201112121211111
41021110033103003
510004342323212
6322020024151
742324121114
oct11124172303
93151477744
101230042307
11581365a9a
122a3b32057
13167ab27b0
14b951020b
1572ec1ea7
hex4950f4c3

1230042307 has 16 divisors (see below), whose sum is σ = 1337716800. Its totient is φ = 1124278272.

The previous prime is 1230042301. The next prime is 1230042313. The reversal of 1230042307 is 7032400321.

It is an interprime number because it is at equal distance from previous prime (1230042301) and next prime (1230042313).

It is not a de Polignac number, because 1230042307 - 23 = 1230042299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230042301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066243 + ... + 1067395.

It is an arithmetic number, because the mean of its divisors is an integer number (83607300).

Almost surely, 21230042307 is an apocalyptic number.

1230042307 is a deficient number, since it is larger than the sum of its proper divisors (107674493).

1230042307 is a wasteful number, since it uses less digits than its factorization.

1230042307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 1230042307 is about 35071.9589843510. The cubic root of 1230042307 is about 1071.4535539580.

Adding to 1230042307 its reverse (7032400321), we get a palindrome (8262442628).

The spelling of 1230042307 in words is "one billion, two hundred thirty million, forty-two thousand, three hundred seven".

Divisors: 1 13 137 599 1153 1781 7787 14989 82063 157961 690647 1066819 2053493 8978411 94618639 1230042307