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85480050949 = 291729304097
BaseRepresentation
bin100111110011100000…
…0100001000100000101
322011122020210111122221
41033213000201010011
52400030343112244
6103134034052341
76114163305346
oct1174700410405
9264566714587
1085480050949
1133285295507
121469711a0b1
1380a3582607
1441cc8bc0cd
15235464c784
hex13e7021105

85480050949 has 4 divisors (see below), whose sum is σ = 85509357964. Its totient is φ = 85450743936.

The previous prime is 85480050941. The next prime is 85480050961. The reversal of 85480050949 is 94905008458.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54861350625 + 30618700324 = 234225^2 + 174982^2 .

It is a cyclic number.

It is not a de Polignac number, because 85480050949 - 23 = 85480050941 is a prime.

It is a super-2 number, since 2×854800509492 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85480050896 and 85480050905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85480050941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14649132 + ... + 14654965.

It is an arithmetic number, because the mean of its divisors is an integer number (21377339491).

Almost surely, 285480050949 is an apocalyptic number.

It is an amenable number.

85480050949 is a deficient number, since it is larger than the sum of its proper divisors (29307015).

85480050949 is a wasteful number, since it uses less digits than its factorization.

85480050949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29307014.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 85480050949 in words is "eighty-five billion, four hundred eighty million, fifty thousand, nine hundred forty-nine".

Divisors: 1 2917 29304097 85480050949