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90982054051 = 771183062483
BaseRepresentation
bin101010010111011110…
…0111111100010100011
322200211200210020000121
41110232330333202203
52442312401212201
6105444021101111
76400422461620
oct1245674774243
9280750706017
1090982054051
1135648aa7909
1215771857797
13876c417c55
1445914d7347
1525776b59a1
hex152ef3f8a3

90982054051 has 8 divisors (see below), whose sum is σ = 105443990784. Its totient is φ = 76886242440.

The previous prime is 90982053979. The next prime is 90982054069. The reversal of 90982054051 is 15045028909.

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

It is not a de Polignac number, because 90982054051 - 217 = 90981922979 is a prime.

It is a super-3 number, since 3×909820540513 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90982053989 and 90982054007.

It is not an unprimeable number, because it can be changed into a prime (90982054081) 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, 91530745 + ... + 91531738.

It is an arithmetic number, because the mean of its divisors is an integer number (13180498848).

Almost surely, 290982054051 is an apocalyptic number.

90982054051 is a deficient number, since it is larger than the sum of its proper divisors (14461936733).

90982054051 is a wasteful number, since it uses less digits than its factorization.

90982054051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183062561.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 90982054051 in words is "ninety billion, nine hundred eighty-two million, fifty-four thousand, fifty-one".

Divisors: 1 7 71 497 183062483 1281437381 12997436293 90982054051