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30397291398 = 23219293064861
BaseRepresentation
bin11100010011110100…
…011101101110000110
32220110102212101201100
4130103310131232012
5444223201311043
621544143240530
72124162466545
oct342364355606
986412771640
1030397291398
1111989529a31
125a83ba9146
132b35798876
14168510615c
15bcd954cd3
hex713d1db86

30397291398 has 48 divisors (see below), whose sum is σ = 71717770800. Its totient is φ = 9268136640.

The previous prime is 30397291387. The next prime is 30397291409. The reversal of 30397291398 is 89319279303.

It is an interprime number because it is at equal distance from previous prime (30397291387) and next prime (30397291409).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1522513 + ... + 1542348.

It is an arithmetic number, because the mean of its divisors is an integer number (1494120225).

Almost surely, 230397291398 is an apocalyptic number.

30397291398 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

30397291398 is an abundant number, since it is smaller than the sum of its proper divisors (41320479402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30397291398 is a wasteful number, since it uses less digits than its factorization.

30397291398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064917 (or 3064914 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The spelling of 30397291398 in words is "thirty billion, three hundred ninety-seven million, two hundred ninety-one thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 9 18 19 29 38 57 58 87 114 171 174 261 342 522 551 1102 1653 3306 4959 9918 3064861 6129722 9194583 18389166 27583749 55167498 58232359 88880969 116464718 174697077 177761938 266642907 349394154 524091231 533285814 799928721 1048182462 1599857442 1688738411 3377476822 5066215233 10132430466 15198645699 30397291398