Search a number
-
+
1002431013200 = 245210930774891
BaseRepresentation
bin11101001011001011000…
…10110110000101010000
310112211110010210200122222
432211211202312011100
5112410434314410300
62044302131320212
7132265114011041
oct16454542660520
93484403720588
101002431013200
113571461a0111
12142340150068
13736b4b226a6
143673725a8c8
151b11edb6785
hexe9658b6150

1002431013200 has 120 divisors (see below), whose sum is σ = 2438384662560. Its totient is φ = 395994355200.

The previous prime is 1002431013173. The next prime is 1002431013211. The reversal of 1002431013200 is 23101342001.

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, 13347755 + ... + 13422645.

It is an arithmetic number, because the mean of its divisors is an integer number (20319872188).

Almost surely, 21002431013200 is an apocalyptic number.

1002431013200 is a gapful number since it is divisible by the number (10) 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 1002431013200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219192331280).

1002431013200 is an abundant number, since it is smaller than the sum of its proper divisors (1435953649360).

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

1002431013200 is a wasteful number, since it uses less digits than its factorization.

1002431013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75325 (or 75314 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1002431013200 its reverse (23101342001), we get a palindrome (1025532355201).

The spelling of 1002431013200 in words is "one trillion, two billion, four hundred thirty-one million, thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 109 200 218 307 400 436 545 614 872 1090 1228 1535 1744 2180 2456 2725 3070 4360 4912 5450 6140 7675 8720 10900 12280 15350 21800 24560 30700 33463 43600 61400 66926 74891 122800 133852 149782 167315 267704 299564 334630 374455 535408 599128 669260 748910 836575 1198256 1338520 1497820 1673150 1872275 2677040 2995640 3346300 3744550 5991280 6692600 7489100 8163119 13385200 14978200 16326238 22991537 29956400 32652476 40815595 45983074 65304952 81631190 91966148 114957685 130609904 163262380 183932296 204077975 229915370 326524760 367864592 408155950 459830740 574788425 653049520 816311900 919661480 1149576850 1632623800 1839322960 2299153700 2506077533 3265247600 4598307400 5012155066 9196614800 10024310132 12530387665 20048620264 25060775330 40097240528 50121550660 62651938325 100243101320 125303876650 200486202640 250607753300 501215506600 1002431013200