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30381903707 is a prime number
BaseRepresentation
bin11100010010111001…
…110000111101011011
32220102100220121202212
4130102321300331123
5444210231404312
621542433345335
72123614630511
oct342271607533
986370817685
1030381903707
1111980879a31
125a7aa0824b
132b3253b91c
14168305c4b1
15bcc415822
hex712e70f5b

30381903707 has 2 divisors, whose sum is σ = 30381903708. Its totient is φ = 30381903706.

The previous prime is 30381903703. The next prime is 30381903823. The reversal of 30381903707 is 70730918303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30381903707 - 22 = 30381903703 is a prime.

It is a super-2 number, since 2×303819037072 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30381903703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15190951853 + 15190951854.

It is an arithmetic number, because the mean of its divisors is an integer number (15190951854).

Almost surely, 230381903707 is an apocalyptic number.

30381903707 is a deficient number, since it is larger than the sum of its proper divisors (1).

30381903707 is an equidigital number, since it uses as much as digits as its factorization.

30381903707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 30381903707 in words is "thirty billion, three hundred eighty-one million, nine hundred three thousand, seven hundred seven".