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1031453430240 = 253514867144539
BaseRepresentation
bin11110000001001110110…
…10100101000111100000
310122121100202121020022210
433000213122211013200
5113344404034231430
62105502042402120
7134343243332562
oct17004732450740
93577322536283
101031453430240
11368489631642
12147a9b800340
137635b7c8c1c
1437ccb911332
151bc6cc8b2b0
hexf0276a51e0

1031453430240 has 96 divisors (see below), whose sum is σ = 3249319328640. Its totient is φ = 275033844224.

The previous prime is 1031453430229. The next prime is 1031453430253. The reversal of 1031453430240 is 420343541301.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1031453430198 and 1031453430207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7063891 + ... + 7208429.

It is an arithmetic number, because the mean of its divisors is an integer number (33847076340).

Almost surely, 21031453430240 is an apocalyptic number.

1031453430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031453430240 is an abundant number, since it is smaller than the sum of its proper divisors (2217865898400).

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

1031453430240 is a wasteful number, since it uses less digits than its factorization.

1031453430240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159424 (or 159416 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1031453430240 its reverse (420343541301), we get a palindrome (1451796971541).

The spelling of 1031453430240 in words is "one trillion, thirty-one billion, four hundred fifty-three million, four hundred thirty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 14867 29734 44601 59468 74335 89202 118936 144539 148670 178404 223005 237872 289078 297340 356808 433617 446010 475744 578156 594680 713616 722695 867234 892020 1156312 1189360 1427232 1445390 1734468 1784040 2168085 2312624 2378720 2890780 3468936 3568080 4336170 4625248 5781560 6937872 7136160 8672340 11563120 13875744 17344680 23126240 34689360 69378720 2148861313 4297722626 6446583939 8595445252 10744306565 12893167878 17190890504 21488613130 25786335756 32232919695 34381781008 42977226260 51572671512 64465839390 68763562016 85954452520 103145343024 128931678780 171908905040 206290686048 257863357560 343817810080 515726715120 1031453430240