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451150042400 = 2552899476691
BaseRepresentation
bin1101001000010101010…
…00110101010100100000
31121010111102101202012122
412210022220311110200
524342423402324100
6543131103043412
744410630042031
oct6441250652440
91533442352178
10451150042400
1116437148a312
12735292a0568
133370a730515
1417b9b53aa88
15bb0720b985
hex690aa35520

451150042400 has 144 divisors (see below), whose sum is σ = 1115087692320. Its totient is φ = 178217318400.

The previous prime is 451150042367. The next prime is 451150042417. The reversal of 451150042400 is 4240051154.

It is a self number, because there is not a number n which added to its sum of digits gives 451150042400.

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, 67423055 + ... + 67429745.

It is an arithmetic number, because the mean of its divisors is an integer number (7743664530).

Almost surely, 2451150042400 is an apocalyptic number.

451150042400 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 451150042400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557543846160).

451150042400 is an abundant number, since it is smaller than the sum of its proper divisors (663937649920).

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

451150042400 is a wasteful number, since it uses less digits than its factorization.

451150042400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747 (or 7734 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 451150042400 its reverse (4240051154), we get a palindrome (455390093554).

The spelling of 451150042400 in words is "four hundred fifty-one billion, one hundred fifty million, forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 89 100 160 178 200 356 400 445 712 800 890 947 1424 1780 1894 2225 2848 3560 3788 4450 4735 6691 7120 7576 8900 9470 13382 14240 15152 17800 18940 23675 26764 30304 33455 35600 37880 47350 53528 66910 71200 75760 84283 94700 107056 133820 151520 167275 168566 189400 214112 267640 334550 337132 378800 421415 535280 595499 669100 674264 757600 842830 1070560 1190998 1338200 1348528 1685660 2107075 2381996 2676400 2697056 2977495 3371320 4214150 4763992 5352800 5954990 6336377 6742640 8428300 9527984 11909980 12672754 13485280 14887475 16856600 19055968 23819960 25345508 29774950 31681885 33713200 47639920 50691016 59549900 63363770 67426400 95279840 101382032 119099800 126727540 158409425 202764064 238199600 253455080 316818850 476399200 506910160 563937553 633637700 1013820320 1127875106 1267275400 2255750212 2534550800 2819687765 4511500424 5069101600 5639375530 9023000848 11278751060 14098438825 18046001696 22557502120 28196877650 45115004240 56393755300 90230008480 112787510600 225575021200 451150042400