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30274737919 = 233161696083
BaseRepresentation
bin11100001100100000…
…111101011011111111
32220010220021000221121
4130030200331123333
5444000313103134
621524044411411
72121144012016
oct341440753377
986126230847
1030274737919
1111926333768
125a4ab46b67
132b1628960a
141672b23a7d
15bc2ce7ab4
hex70c83d6ff

30274737919 has 16 divisors (see below), whose sum is σ = 33144735744. Its totient is φ = 27564847200.

The previous prime is 30274737907. The next prime is 30274737931. The reversal of 30274737919 is 91973747203.

It is an interprime number because it is at equal distance from previous prime (30274737907) and next prime (30274737931).

It is a cyclic number.

It is not a de Polignac number, because 30274737919 - 25 = 30274737887 is a prime.

It is a super-2 number, since 2×302747379192 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30274737979) 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, 304549 + ... + 391534.

It is an arithmetic number, because the mean of its divisors is an integer number (2071545984).

Almost surely, 230274737919 is an apocalyptic number.

30274737919 is a deficient number, since it is larger than the sum of its proper divisors (2869997825).

30274737919 is a wasteful number, since it uses less digits than its factorization.

30274737919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696198.

The product of its (nonzero) digits is 2000376, while the sum is 52.

The spelling of 30274737919 in words is "thirty billion, two hundred seventy-four million, seven hundred thirty-seven thousand, nine hundred nineteen".

Divisors: 1 23 31 61 713 1403 1891 43493 696083 16009909 21578573 42461063 496307179 976604449 1316292953 30274737919