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4939615872 = 2734476429
BaseRepresentation
bin1001001100110110…
…01000111010000000
3110202020202111010000
410212123020322000
540104020201442
62134053040000
7233260020312
oct44633107200
913666674100
104939615872
112105314574
12b5a326000
136094a8b39
1434c0637b2
151dd9c9d4c
hex1266c8e80

4939615872 has 80 divisors (see below), whose sum is σ = 14700247650. Its totient is φ = 1646535168.

The previous prime is 4939615871. The next prime is 4939615873. The reversal of 4939615872 is 2785169394.

It is an interprime number because it is at equal distance from previous prime (4939615871) and next prime (4939615873).

It can be written as a sum of positive squares in only one way, i.e., 4512614976 + 427000896 = 67176^2 + 20664^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4939615871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 227847 + ... + 248582.

Almost surely, 24939615872 is an apocalyptic number.

It is an amenable number.

4939615872 is an abundant number, since it is smaller than the sum of its proper divisors (9760631778).

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

4939615872 is an equidigital number, since it uses as much as digits as its factorization.

4939615872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476455 (or 476434 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 4939615872 is about 70282.4008696345. The cubic root of 4939615872 is about 1703.0643544242.

The spelling of 4939615872 in words is "four billion, nine hundred thirty-nine million, six hundred fifteen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 288 324 384 432 576 648 864 1152 1296 1728 2592 3456 5184 10368 476429 952858 1429287 1905716 2858574 3811432 4287861 5717148 7622864 8575722 11434296 12863583 15245728 17151444 22868592 25727166 30491456 34302888 38590749 45737184 51454332 60982912 68605776 77181498 91474368 102908664 137211552 154362996 182948736 205817328 274423104 308725992 411634656 548846208 617451984 823269312 1234903968 1646538624 2469807936 4939615872