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4279378506 = 2313616191453
BaseRepresentation
bin1111111100010010…
…0010001001001010
3102001020101221201020
43333010202021022
532231010103011
61544345533310
7211022055114
oct37704421112
912036357636
104279378506
1118a6663457
129b51a4236
1353277c240
142c84ba3b4
151a0a5e006
hexff12224a

4279378506 has 64 divisors (see below), whose sum is σ = 9389815680. Its totient is φ = 1292163840.

The previous prime is 4279378483. The next prime is 4279378513. The reversal of 4279378506 is 6058739724.

It is a super-2 number, since 2×42793785062 = 36626160795229584072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2944476 + ... + 2945928.

It is an arithmetic number, because the mean of its divisors is an integer number (146715870).

Almost surely, 24279378506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4279378506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4694907840).

4279378506 is an abundant number, since it is smaller than the sum of its proper divisors (5110437174).

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

4279378506 is a wasteful number, since it uses less digits than its factorization.

4279378506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 4279378506 is about 65416.9588562477. The cubic root of 4279378506 is about 1623.5296846101.

The spelling of 4279378506 in words is "four billion, two hundred seventy-nine million, three hundred seventy-eight thousand, five hundred six".

Divisors: 1 2 3 6 13 26 39 61 78 122 183 366 619 793 1238 1453 1586 1857 2379 2906 3714 4359 4758 8047 8718 16094 18889 24141 37759 37778 48282 56667 75518 88633 113277 113334 177266 226554 265899 490867 531798 899407 981734 1152229 1472601 1798814 2304458 2698221 2945202 3456687 5396442 6913374 11692291 23384582 35076873 54863827 70153746 109727654 164591481 329182962 713229751 1426459502 2139689253 4279378506