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1022243145252 = 223715777513129
BaseRepresentation
bin11101110000000100111…
…00001000011000100100
310121201120212211021112120
432320002130020120210
5113222023221122002
62101340110145540
7133566065240010
oct16700234103044
93551525737476
101022243145252
1136459267316a
1214614b1b22b0
1375521600154
14376965db540
151b8ce3c2cbc
hexee02708624

1022243145252 has 48 divisors (see below), whose sum is σ = 2743344696960. Its totient is φ = 290209151232.

The previous prime is 1022243145247. The next prime is 1022243145263. The reversal of 1022243145252 is 2525413422201.

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, 38743377 + ... + 38769752.

It is an arithmetic number, because the mean of its divisors is an integer number (57153014520).

Almost surely, 21022243145252 is an apocalyptic number.

1022243145252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022243145252 is an abundant number, since it is smaller than the sum of its proper divisors (1721101551708).

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

1022243145252 is a wasteful number, since it uses less digits than its factorization.

1022243145252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77513300 (or 77513298 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 1022243145252 its reverse (2525413422201), we get a palindrome (3547656567453).

The spelling of 1022243145252 in words is "one trillion, twenty-two billion, two hundred forty-three million, one hundred forty-five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 157 314 471 628 942 1099 1884 2198 3297 4396 6594 13188 77513129 155026258 232539387 310052516 465078774 542591903 930157548 1085183806 1627775709 2170367612 3255551418 6511102836 12169561253 24339122506 36508683759 48678245012 73017367518 85186928771 146034735036 170373857542 255560786313 340747715084 511121572626 1022243145252