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3020370830640 = 243355379337991
BaseRepresentation
bin101011111100111100001…
…000010110010100110000
3101200202002211120200201000
4223330330020112110300
5343441204413040030
610231312245042000
7431133414313632
oct53747410262460
911622084520630
103020370830640
11a64a286582a9
124094500b6300
1318ba86ca5247
14a628854ca52
1553877d10860
hex2bf3c216530

3020370830640 has 640 divisors, whose sum is σ = 10776681676800. Its totient is φ = 777132195840.

The previous prime is 3020370830629. The next prime is 3020370830651. The reversal of 3020370830640 is 460380730203.

3020370830640 is a `hidden beast` number, since 3 + 0 + 2 + 0 + 3 + 7 + 0 + 8 + 3 + 0 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (3020370830629) and next prime (3020370830651).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3020370830595 and 3020370830604.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3047800545 + ... + 3047801535.

It is an arithmetic number, because the mean of its divisors is an integer number (16838565120).

Almost surely, 23020370830640 is an apocalyptic number.

3020370830640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3020370830640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5388340838400).

3020370830640 is an abundant number, since it is smaller than the sum of its proper divisors (7756310846160).

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

3020370830640 is a wasteful number, since it uses less digits than its factorization.

3020370830640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 3020370830640 in words is "three trillion, twenty billion, three hundred seventy million, eight hundred thirty thousand, six hundred forty".