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13002012030 = 235771872033
BaseRepresentation
bin11000001101111101…
…01111010101111110
31020120010120122110010
430012332233111332
5203112003341110
65550102124050
7640126164420
oct140676572576
936503518403
1013002012030
11557232a097
12262a420626
1312c2927757
148b4b30810
155116ed020
hex306faf57e

13002012030 has 64 divisors (see below), whose sum is σ = 36164994048. Its totient is φ = 2930027520.

The previous prime is 13002012013. The next prime is 13002012041. The reversal of 13002012030 is 3021020031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13002011997 and 13002012015.

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, 421107 + ... + 450926.

It is an arithmetic number, because the mean of its divisors is an integer number (565078032).

Almost surely, 213002012030 is an apocalyptic number.

13002012030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13002012030 is an abundant number, since it is smaller than the sum of its proper divisors (23162982018).

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

13002012030 is a wasteful number, since it uses less digits than its factorization.

13002012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872121.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 13002012030 its reverse (3021020031), we get a palindrome (16023032061).

The spelling of 13002012030 in words is "thirteen billion, two million, twelve thousand, 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 872033 1744066 2616099 4360165 5232198 6104231 8720330 12208462 13080495 18312693 26160990 30521155 36625386 61042310 61914343 91563465 123828686 183126930 185743029 309571715 371486058 433400401 619143430 866800802 928715145 1300201203 1857430290 2167002005 2600402406 4334004010 6501006015 13002012030