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11112020430 = 235771745273
BaseRepresentation
bin10100101100101001…
…11111100111001110
31001200102020010101020
422112110333213032
5140224134123210
65034345055010
7542236421010
oct122624774716
931612203336
1011112020430
11479249a465
1221a1487466
1310811b9524
14775b101b0
1545081a770
hex29653f9ce

11112020430 has 64 divisors (see below), whose sum is σ = 30908003328. Its totient is φ = 2504113920.

The previous prime is 11112020419. The next prime is 11112020443. The reversal of 11112020430 is 3402021111.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 357727 + ... + 387546.

It is an arithmetic number, because the mean of its divisors is an integer number (482937552).

Almost surely, 211112020430 is an apocalyptic number.

11112020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112020430 is an abundant number, since it is smaller than the sum of its proper divisors (19795982898).

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

11112020430 is a wasteful number, since it uses less digits than its factorization.

11112020430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745361.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11112020430 its reverse (3402021111), we get a palindrome (14514041541).

The spelling of 11112020430 in words is "eleven billion, one hundred twelve million, twenty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 71 105 142 210 213 355 426 497 710 994 1065 1491 2130 2485 2982 4970 7455 14910 745273 1490546 2235819 3726365 4471638 5216911 7452730 10433822 11179095 15650733 22358190 26084555 31301466 52169110 52914383 78253665 105828766 156507330 158743149 264571915 317486298 370400681 529143830 740801362 793715745 1111202043 1587431490 1852003405 2222404086 3704006810 5556010215 11112020430