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1030310281830 = 235231623191997
BaseRepresentation
bin11101111111000110100…
…01110100001001100110
310122111102002120021111210
432333203101310021212
5113340033413004310
62105152405012250
7134303022616434
oct16774321641146
93574362507453
101030310281830
11367a52326295
121478209b4086
1376208a1b64b
1437c1db7dd54
151bc02730820
hexefe3474266

1030310281830 has 64 divisors (see below), whose sum is σ = 2580442334208. Its totient is φ = 262784734080.

The previous prime is 1030310281823. The next prime is 1030310281843. The reversal of 1030310281830 is 381820130301.

It is a super-2 number, since 2×10303102818302 (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11153392 + ... + 11245388.

It is an arithmetic number, because the mean of its divisors is an integer number (40319411472).

Almost surely, 21030310281830 is an apocalyptic number.

1030310281830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1030310281830 is an abundant number, since it is smaller than the sum of its proper divisors (1550132052378).

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

1030310281830 is a wasteful number, since it uses less digits than its factorization.

1030310281830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108261.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 1030310281830 in words is "one trillion, thirty billion, three hundred ten million, two hundred eighty-one thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 16231 32462 48693 81155 91997 97386 162310 183994 243465 275991 373313 459985 486930 551982 746626 919970 1119939 1379955 1866565 2115931 2239878 2759910 3733130 4231862 5599695 6347793 10579655 11199390 12695586 21159310 31738965 63477930 1493203307 2986406614 4479609921 7466016535 8959219842 14932033070 22398049605 34343676061 44796099210 68687352122 103031028183 171718380305 206062056366 343436760610 515155140915 1030310281830