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2499712992 = 253278314939
BaseRepresentation
bin1001010011111110…
…1001011111100000
320110012122120120200
42110333221133200
520104411303432
61052013305200
7115642131660
oct22477513740
96405576520
102499712992
111073028407
12599195200
1330ab5b91a
14199db81a0
15e96c0a7c
hex94fe97e0

2499712992 has 144 divisors (see below), whose sum is σ = 8222497920. Its totient is φ = 705551616.

The previous prime is 2499712981. The next prime is 2499713011. The reversal of 2499712992 is 2992179942.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×24997129923 (a number of 29 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159859 + ... + 174797.

It is an arithmetic number, because the mean of its divisors is an integer number (57100680).

Almost surely, 22499712992 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 2499712992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4111248960).

2499712992 is an abundant number, since it is smaller than the sum of its proper divisors (5722784928).

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

2499712992 is a wasteful number, since it uses less digits than its factorization.

2499712992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15045 (or 15034 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 2499712992 is about 49997.1298376217. The cubic root of 2499712992 is about 1357.1568690051.

The spelling of 2499712992 in words is "two billion, four hundred ninety-nine million, seven hundred twelve thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 83 84 96 112 126 144 166 168 224 249 252 288 332 336 498 504 581 664 672 747 996 1008 1162 1328 1494 1743 1992 2016 2324 2656 2988 3486 3984 4648 5229 5976 6972 7968 9296 10458 11952 13944 14939 18592 20916 23904 27888 29878 41832 44817 55776 59756 83664 89634 104573 119512 134451 167328 179268 209146 239024 268902 313719 358536 418292 478048 537804 627438 717072 836584 941157 1075608 1239937 1254876 1434144 1673168 1882314 2151216 2479874 2509752 3346336 3719811 3764628 4302432 4959748 5019504 7439622 7529256 8679559 9919496 10039008 11159433 14879244 15058512 17359118 19838992 22318866 26038677 29758488 30117024 34718236 39677984 44637732 52077354 59516976 69436472 78116031 89275464 104154708 119033952 138872944 156232062 178550928 208309416 277745888 312464124 357101856 416618832 624928248 833237664 1249856496 2499712992