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30001857474 = 2331293550513
BaseRepresentation
bin11011111100010000…
…000000001111000010
32212102212210021100110
4123330100000033002
5442420433414344
621441015532150
72111321403141
oct337420001702
985385707313
1030001857474
11117a62a2636
12599368a056
132aa18956b4
1416487ad758
15ba8d943b9
hex6fc4003c2

30001857474 has 32 divisors (see below), whose sum is σ = 62150828544. Its totient is φ = 9644970240.

The previous prime is 30001857467. The next prime is 30001857493. The reversal of 30001857474 is 47475810003.

It is a super-2 number, since 2×300018574742 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220759 + ... + 329754.

It is an arithmetic number, because the mean of its divisors is an integer number (1942213392).

Almost surely, 230001857474 is an apocalyptic number.

30001857474 is an abundant number, since it is smaller than the sum of its proper divisors (32148971070).

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

30001857474 is a wasteful number, since it uses less digits than its factorization.

30001857474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550842.

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 30001857474 in words is "thirty billion, one million, eight hundred fifty-seven thousand, four hundred seventy-four".

Divisors: 1 2 3 6 31 62 93 186 293 586 879 1758 9083 18166 27249 54498 550513 1101026 1651539 3303078 17065903 34131806 51197709 102395418 161300309 322600618 483900927 967801854 5000309579 10000619158 15000928737 30001857474