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49383818765 = 5231051340847
BaseRepresentation
bin101101111111100000…
…010100011000001101
311201110122100220212122
4231333200110120031
51302114224200030
634404150342325
73365530351001
oct557740243015
9151418326778
1049383818765
1119a41972a66
1296a265a9a5
1348701c9c48
142566974701
15144072c8e5
hexb7f81460d

49383818765 has 16 divisors (see below), whose sum is σ = 61844525568. Its totient is φ = 37784837376.

The previous prime is 49383818761. The next prime is 49383818779. The reversal of 49383818765 is 56781838394.

49383818765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 49383818765 - 22 = 49383818761 is a prime.

It is a super-2 number, since 2×493838187652 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49383818698 and 49383818707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49383818761) 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, 1188572 + ... + 1229418.

It is an arithmetic number, because the mean of its divisors is an integer number (3865282848).

Almost surely, 249383818765 is an apocalyptic number.

It is an amenable number.

49383818765 is a deficient number, since it is larger than the sum of its proper divisors (12460706803).

49383818765 is a wasteful number, since it uses less digits than its factorization.

49383818765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51388.

The product of its digits is 34836480, while the sum is 62.

The spelling of 49383818765 in words is "forty-nine billion, three hundred eighty-three million, eight hundred eighteen thousand, seven hundred sixty-five".

Divisors: 1 5 23 115 10513 40847 52565 204235 241799 939481 1208995 4697405 429424511 2147122555 9876763753 49383818765