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11994272424 = 2333194367967
BaseRepresentation
bin10110010101110101…
…00001001010101000
31010221220100011121000
423022322201022220
5144031013204144
65302102515000
7603141430161
oct131272411250
933856304530
1011994272424
1150a54aa442
1223a8a35a60
131191c0a824
1481ad6a768
154a2edd769
hex2caea12a8

11994272424 has 128 divisors (see below), whose sum is σ = 35887104000. Its totient is φ = 3699525312.

The previous prime is 11994272417. The next prime is 11994272447. The reversal of 11994272424 is 42427249911.

11994272424 is a `hidden beast` number, since 119 + 9 + 42 + 72 + 424 = 666.

It is a super-2 number, since 2×119942724242 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11994272424.

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, 142489 + ... + 210455.

It is an arithmetic number, because the mean of its divisors is an integer number (280368000).

Almost surely, 211994272424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11994272424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17943552000).

11994272424 is an abundant number, since it is smaller than the sum of its proper divisors (23892831576).

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

11994272424 is a wasteful number, since it uses less digits than its factorization.

11994272424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68044 (or 68034 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 11994272424 in words is "eleven billion, nine hundred ninety-four million, two hundred seventy-two thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 27 36 38 43 54 57 72 76 86 108 114 129 152 171 172 216 228 258 342 344 387 456 513 516 684 774 817 1026 1032 1161 1368 1548 1634 2052 2322 2451 3096 3268 4104 4644 4902 6536 7353 9288 9804 14706 19608 22059 29412 44118 58824 67967 88236 135934 176472 203901 271868 407802 543736 611703 815604 1223406 1291373 1631208 1835109 2446812 2582746 2922581 3670218 3874119 4893624 5165492 5845162 7340436 7748238 8767743 10330984 11622357 11690324 14680872 15496476 17535486 23244714 23380648 26303229 30992952 34867071 35070972 46489428 52606458 55529039 69734142 70141944 78909687 92978856 105212916 111058078 139468284 157819374 166587117 210425832 222116156 278936568 315638748 333174234 444232312 499761351 631277496 666348468 999522702 1332696936 1499284053 1999045404 2998568106 3998090808 5997136212 11994272424