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11023032440 = 2357231711651
BaseRepresentation
bin10100100010000011…
…00010000001111000
31001110012210001210202
422101001202001320
5140033344014230
65021445501332
7540106141550
oct122101420170
931405701722
1011023032440
11474723a472
122177711848
131068930104
14767d88160
15447adda45
hex291062078

11023032440 has 64 divisors (see below), whose sum is σ = 29577346560. Its totient is φ = 3615004800.

The previous prime is 11023032439. The next prime is 11023032479. The reversal of 11023032440 is 4423032011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849386 + ... + 862265.

It is an arithmetic number, because the mean of its divisors is an integer number (462146040).

Almost surely, 211023032440 is an apocalyptic number.

11023032440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11023032440 is an abundant number, since it is smaller than the sum of its proper divisors (18554314120).

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

11023032440 is a wasteful number, since it uses less digits than its factorization.

11023032440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711692 (or 1711688 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 11023032440 its reverse (4423032011), we get a palindrome (15446064451).

The spelling of 11023032440 in words is "eleven billion, twenty-three million, thirty-two thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 23 28 35 40 46 56 70 92 115 140 161 184 230 280 322 460 644 805 920 1288 1610 3220 6440 1711651 3423302 6846604 8558255 11981557 13693208 17116510 23963114 34233020 39367973 47926228 59907785 68466040 78735946 95852456 119815570 157471892 196839865 239631140 275575811 314943784 393679730 479262280 551151622 787359460 1102303244 1377879055 1574718920 2204606488 2755758110 5511516220 11023032440