Search a number
-
+
90805351040835 = 3531353955179521
BaseRepresentation
bin10100101001011001000100…
…101100010100011101000011
3102220111220111001011001111120
4110221121010230110131003
543400223324331301320
6521043222525243323
725061320151415054
oct2451310454243503
9386456431131446
1090805351040835
1126a2a373410052
12a226828403543
133b88ba5754852
14185d0069a872b
15a770c7817440
hex529644b14743

90805351040835 has 32 divisors (see below), whose sum is σ = 150017670051840. Its totient is φ = 46854034022400.

The previous prime is 90805351040737. The next prime is 90805351040863. The reversal of 90805351040835 is 53804015350809.

It is a happy number.

It is not a de Polignac number, because 90805351040835 - 29 = 90805351040323 is a prime.

It is a super-2 number, since 2×908053510408352 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25944126 + ... + 29235395.

It is an arithmetic number, because the mean of its divisors is an integer number (4688052189120).

Almost surely, 290805351040835 is an apocalyptic number.

90805351040835 is a deficient number, since it is larger than the sum of its proper divisors (59212319011005).

90805351040835 is a wasteful number, since it uses less digits than its factorization.

90805351040835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55183099.

The product of its (nonzero) digits is 2592000, while the sum is 51.

The spelling of 90805351040835 in words is "ninety trillion, eight hundred five billion, three hundred fifty-one million, forty thousand, eight hundred thirty-five".

Divisors: 1 3 5 15 31 93 155 465 3539 10617 17695 53085 109709 329127 548545 1645635 55179521 165538563 275897605 827692815 1710565151 5131695453 8552825755 25658477265 195280324819 585840974457 976401624095 2929204872285 6053690069389 18161070208167 30268450346945 90805351040835