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11444261430 = 235754496483
BaseRepresentation
bin10101010100010000…
…11001001000110110
31002112120101201100110
422222020121020312
5141414212331210
65131334123450
7553412421450
oct125210311066
932476351313
1011444261430
114942a94aa8
1222747b0586
131104c95334
147a7cb72d0
1546ea97420
hex2aa219236

11444261430 has 32 divisors (see below), whose sum is σ = 31389974784. Its totient is φ = 2615831136.

The previous prime is 11444261401. The next prime is 11444261443. The reversal of 11444261430 is 3416244411.

It is a super-2 number, since 2×114442614302 (a number of 21 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 15 ways as a sum of consecutive naturals, for example, 27248032 + ... + 27248451.

It is an arithmetic number, because the mean of its divisors is an integer number (980936712).

Almost surely, 211444261430 is an apocalyptic number.

11444261430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11444261430 is an abundant number, since it is smaller than the sum of its proper divisors (19945713354).

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

11444261430 is a wasteful number, since it uses less digits than its factorization.

11444261430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54496500.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 11444261430 in words is "eleven billion, four hundred forty-four million, two hundred sixty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 54496483 108992966 163489449 272482415 326978898 381475381 544964830 762950762 817447245 1144426143 1634894490 1907376905 2288852286 3814753810 5722130715 11444261430