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2472638465823 = 31748483107173
BaseRepresentation
bin100011111110110100101…
…111001100011100011111
322202101022102111121111220
4203332310233030130133
5311002430421401243
65131525303344423
7343433200114641
oct43766457143437
98671272447456
102472638465823
11873704a52719
1233b269752113
1314c226b3a426
1487967c40891
15444bb964783
hex23fb4bcc71f

2472638465823 has 8 divisors (see below), whose sum is σ = 3490783716528. Its totient is φ = 1551459429504.

The previous prime is 2472638465771. The next prime is 2472638465831. The reversal of 2472638465823 is 3285648362742.

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

It is not a de Polignac number, because 2472638465823 - 225 = 2472604911391 is a prime.

It is a super-2 number, since 2×24726384658232 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472638465893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24241553536 + ... + 24241553637.

It is an arithmetic number, because the mean of its divisors is an integer number (436347964566).

Almost surely, 22472638465823 is an apocalyptic number.

2472638465823 is a deficient number, since it is larger than the sum of its proper divisors (1018145250705).

2472638465823 is a wasteful number, since it uses less digits than its factorization.

2472638465823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48483107193.

The product of its digits is 92897280, while the sum is 60.

The spelling of 2472638465823 in words is "two trillion, four hundred seventy-two billion, six hundred thirty-eight million, four hundred sixty-five thousand, eight hundred twenty-three".

Divisors: 1 3 17 51 48483107173 145449321519 824212821941 2472638465823