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13905208432 = 244463194729
BaseRepresentation
bin11001111001101000…
…01010010001110000
31022220002002202222201
430330310022101300
5211434213132212
610215444512544
71001404215163
oct147464122160
938802082881
1013905208432
1159961449a5
1228409ab754
131407a9ccab
1495ca7dada
15565b5bb57
hex33cd0a470

13905208432 has 20 divisors (see below), whose sum is σ = 26947516320. Its totient is φ = 6951010688.

The previous prime is 13905208403. The next prime is 13905208451. The reversal of 13905208432 is 23480250931.

It is a junction number, because it is equal to n+sod(n) for n = 13905208391 and 13905208400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25957 + ... + 168772.

It is an arithmetic number, because the mean of its divisors is an integer number (1347375816).

Almost surely, 213905208432 is an apocalyptic number.

It is an amenable number.

13905208432 is a deficient number, since it is larger than the sum of its proper divisors (13042307888).

13905208432 is a wasteful number, since it uses less digits than its factorization.

13905208432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199200 (or 199194 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 13905208432 in words is "thirteen billion, nine hundred five million, two hundred eight thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 4463 8926 17852 35704 71408 194729 389458 778916 1557832 3115664 869075527 1738151054 3476302108 6952604216 13905208432