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315500240030 = 2531550024003
BaseRepresentation
bin1001001011101010100…
…01111001110010011110
31010011100202100210202012
410211311101321302132
520132121030140110
6400534441031222
731536250535453
oct4456521716236
91104322323665
10315500240030
1111189172a028
1251190485512
13239a01b5081
14113ad98182a
158318387905
hex4975479c9e

315500240030 has 8 divisors (see below), whose sum is σ = 567900432072. Its totient is φ = 126200096008.

The previous prime is 315500240023. The next prime is 315500240047. The reversal of 315500240030 is 30042005513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3155002400302 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315500239978 and 315500240005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15775011992 + ... + 15775012011.

It is an arithmetic number, because the mean of its divisors is an integer number (70987554009).

Almost surely, 2315500240030 is an apocalyptic number.

315500240030 is a deficient number, since it is larger than the sum of its proper divisors (252400192042).

315500240030 is a wasteful number, since it uses less digits than its factorization.

315500240030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31550024010.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 315500240030 its reverse (30042005513), we get a palindrome (345542245543).

The spelling of 315500240030 in words is "three hundred fifteen billion, five hundred million, two hundred forty thousand, thirty".

Divisors: 1 2 5 10 31550024003 63100048006 157750120015 315500240030