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1020202430 = 2513611271013
BaseRepresentation
bin111100110011110…
…000110110111110
32122002200122122012
4330303300312332
54042132434210
6245122251222
734165402052
oct7463606676
92562618565
101020202430
11483972205
122457b6b12
131334917a0
14996c9c62
155e872305
hex3ccf0dbe

1020202430 has 64 divisors (see below), whose sum is σ = 2027870208. Its totient is φ = 367234560.

The previous prime is 1020202427. The next prime is 1020202441. The reversal of 1020202430 is 342020201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1006604 + ... + 1007616.

It is an arithmetic number, because the mean of its divisors is an integer number (31685472).

Almost surely, 21020202430 is an apocalyptic number.

1020202430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020202430 is a deficient number, since it is larger than the sum of its proper divisors (1007667778).

1020202430 is a wasteful number, since it uses less digits than its factorization.

1020202430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1020202430 is about 31940.6078527006. The cubic root of 1020202430 is about 1006.6892968661.

Adding to 1020202430 its reverse (342020201), we get a palindrome (1362222631).

The spelling of 1020202430 in words is "one billion, twenty million, two hundred two thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 61 65 122 127 130 254 305 610 635 793 1013 1270 1586 1651 2026 3302 3965 5065 7747 7930 8255 10130 13169 15494 16510 26338 38735 61793 65845 77470 100711 123586 128651 131690 201422 257302 308965 503555 617930 643255 803309 1007110 1286510 1606618 1672463 3344926 4016545 7847711 8033090 8362315 15695422 16724630 39238555 78477110 102020243 204040486 510101215 1020202430