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1307055009 = 313197170123
BaseRepresentation
bin100110111101000…
…0001001110100001
310101002110021101210
41031322001032201
510134101230014
6333410420333
744250533001
oct11572011641
93332407353
101307055009
11610886857
123058916a9
1317aa38240
14c583a001
1579b35859
hex4de813a1

1307055009 has 16 divisors (see below), whose sum is σ = 1886334912. Its totient is φ = 800253888.

The previous prime is 1307054993. The next prime is 1307055041. The reversal of 1307055009 is 9005507031.

It is a happy number.

It is not a de Polignac number, because 1307055009 - 24 = 1307054993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1307055709) 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, 77379 + ... + 92744.

It is an arithmetic number, because the mean of its divisors is an integer number (117895932).

Almost surely, 21307055009 is an apocalyptic number.

It is an amenable number.

1307055009 is a deficient number, since it is larger than the sum of its proper divisors (579279903).

1307055009 is a wasteful number, since it uses less digits than its factorization.

1307055009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170336.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 1307055009 is about 36153.2157490866. The cubic root of 1307055009 is about 1093.3636265794.

The spelling of 1307055009 in words is "one billion, three hundred seven million, fifty-five thousand, nine".

Divisors: 1 3 13 39 197 591 2561 7683 170123 510369 2211599 6634797 33514231 100542693 435685003 1307055009