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318972739050 = 23452767307547
BaseRepresentation
bin1001010010001000100…
…00011011110111101010
31010111022202111000220000
410221010100123313222
520211224010122200
6402311204443430
732021304355350
oct4510420336752
91114282430800
10318972739050
11113303882a29
125199b3a9576
1324104743014
141161cc217d0
15846d161300
hex4a4441bdea

318972739050 has 480 divisors, whose sum is σ = 1033233535488. Its totient is φ = 71455063680.

The previous prime is 318972738989. The next prime is 318972739193. The reversal of 318972739050 is 50937279813.

318972739050 is a `hidden beast` number, since 3 + 189 + 7 + 27 + 390 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 583130877 + ... + 583131423.

Almost surely, 2318972739050 is an apocalyptic number.

318972739050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 318972739050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516616767744).

318972739050 is an abundant number, since it is smaller than the sum of its proper divisors (714260796438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318972739050 is a wasteful number, since it uses less digits than its factorization.

318972739050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 318972739050 in words is "three hundred eighteen billion, nine hundred seventy-two million, seven hundred thirty-nine thousand, fifty".