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20011030032 = 2437223369917
BaseRepresentation
bin10010101000110000…
…000001011000010000
31220122121021122121110
4102220300001120100
5311440310430112
613105401453320
71305614643300
oct225060013020
956577248543
1020011030032
118539783054
123a657a1240
131b6ba6a296
14d7b957600
157c1be913c
hex4a8c01610

20011030032 has 120 divisors (see below), whose sum is σ = 62749930176. Its totient is φ = 5468838144.

The previous prime is 20011029977. The next prime is 20011030049. The reversal of 20011030032 is 23003011002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130863 + ... + 239054.

Almost surely, 220011030032 is an apocalyptic number.

It is an amenable number.

20011030032 is an abundant number, since it is smaller than the sum of its proper divisors (42738900144).

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

20011030032 is a wasteful number, since it uses less digits than its factorization.

20011030032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369965 (or 369952 counting only the distinct ones).

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

Adding to 20011030032 its reverse (23003011002), we get a palindrome (43014041034).

The spelling of 20011030032 in words is "twenty billion, eleven million, thirty thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 48 49 56 69 84 92 98 112 138 147 161 168 184 196 276 294 322 336 368 392 483 552 588 644 784 966 1104 1127 1176 1288 1932 2254 2352 2576 3381 3864 4508 6762 7728 9016 13524 18032 27048 54096 369917 739834 1109751 1479668 2219502 2589419 2959336 4439004 5178838 5918672 7768257 8508091 8878008 10357676 15536514 17016182 17756016 18125933 20715352 25524273 31073028 34032364 36251866 41430704 51048546 54377799 59556637 62146056 68064728 72503732 102097092 108755598 119113274 124292112 136129456 145007464 178669911 204194184 217511196 238226548 290014928 357339822 408388368 416896459 435022392 476453096 714679644 833792918 870044784 952906192 1250689377 1429359288 1667585836 2501378754 2858718576 3335171672 5002757508 6670343344 10005515016 20011030032