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51153101030440 = 2353157172246061
BaseRepresentation
bin10111010000110000000100…
…11010101000010000101000
320201010012002120011212112201
423220120002122220100220
523201043022330433230
6300443224334145544
713526455346440363
oct1350300232502050
9221105076155481
1051153101030440
11153319a9a78202
1258a19920522b4
132270941867006
14c8bb751c70da
155da9223545ca
hex2e86026a8428

51153101030440 has 64 divisors (see below), whose sum is σ = 119015272696320. Its totient is φ = 19766522016000.

The previous prime is 51153101030429. The next prime is 51153101030467. The reversal of 51153101030440 is 4403010135115.

It is a junction number, because it is equal to n+sod(n) for n = 51153101030399 and 51153101030408.

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, 35414991 + ... + 36831070.

It is an arithmetic number, because the mean of its divisors is an integer number (1859613635880).

Almost surely, 251153101030440 is an apocalyptic number.

It is an amenable number.

51153101030440 is an abundant number, since it is smaller than the sum of its proper divisors (67862171665880).

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

51153101030440 is a wasteful number, since it uses less digits than its factorization.

51153101030440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72246674 (or 72246670 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 51153101030440 its reverse (4403010135115), we get a palindrome (55556111165555).

The spelling of 51153101030440 in words is "fifty-one trillion, one hundred fifty-three billion, one hundred one million, thirty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 571 620 1142 1240 2284 2855 4568 5710 11420 17701 22840 35402 70804 88505 141608 177010 354020 708040 72246061 144492122 288984244 361230305 577968488 722460610 1444921220 2239627891 2889842440 4479255782 8958511564 11198139455 17917023128 22396278910 41252500831 44792557820 82505001662 89585115640 165010003324 206262504155 330020006648 412525008310 825050016620 1278827525761 1650100033240 2557655051522 5115310103044 6394137628805 10230620206088 12788275257610 25576550515220 51153101030440