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43013220240 = 24351039291873
BaseRepresentation
bin101000000011110010…
…011010011110010000
311010000122221222121010
4220003302122132100
51201042341021430
631432054330520
73051623224314
oct500362323620
9133018858533
1043013220240
1117272929001
128405059a40
134096415313
142120855b44
1511bb2dccb0
hexa03c9a790

43013220240 has 160 divisors (see below), whose sum is σ = 134852440320. Its totient is φ = 11340546048.

The previous prime is 43013220199. The next prime is 43013220241. The reversal of 43013220240 is 4202231034.

It is not an unprimeable number, because it can be changed into a prime (43013220241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22963944 + ... + 22965816.

It is an arithmetic number, because the mean of its divisors is an integer number (842827752).

Almost surely, 243013220240 is an apocalyptic number.

43013220240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43013220240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67426220160).

43013220240 is an abundant number, since it is smaller than the sum of its proper divisors (91839220080).

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

43013220240 is a wasteful number, since it uses less digits than its factorization.

43013220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921 (or 2915 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 43013220240 its reverse (4202231034), we get a palindrome (47215451274).

The spelling of 43013220240 in words is "forty-three billion, thirteen million, two hundred twenty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 103 120 206 240 309 412 515 618 824 929 1030 1236 1545 1648 1858 1873 2060 2472 2787 3090 3716 3746 4120 4645 4944 5574 5619 6180 7432 7492 8240 9290 9365 11148 11238 12360 13935 14864 14984 18580 18730 22296 22476 24720 27870 28095 29968 37160 37460 44592 44952 55740 56190 74320 74920 89904 95687 111480 112380 149840 191374 192919 222960 224760 287061 382748 385838 449520 478435 574122 578757 765496 771676 956870 964595 1148244 1157514 1435305 1530992 1543352 1740017 1913740 1929190 2296488 2315028 2870610 2893785 3086704 3480034 3827480 3858380 4592976 4630056 5220051 5741220 5787570 6960068 7654960 7716760 8700085 9260112 10440102 11482440 11575140 13920136 15433520 17400170 20880204 22964880 23150280 26100255 27840272 34800340 41760408 46300560 52200510 69600680 83520816 104401020 139201360 179221751 208802040 358443502 417604080 537665253 716887004 896108755 1075330506 1433774008 1792217510 2150661012 2688326265 2867548016 3584435020 4301322024 5376652530 7168870040 8602644048 10753305060 14337740080 21506610120 43013220240