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20299515096 = 2337612777151
BaseRepresentation
bin10010111001111100…
…100000010011011000
31221101201010012201110
4102321330200103120
5313033133440341
613154145020320
71316020013520
oct227174402330
957351105643
1020299515096
118677602163
123b263246a0
131bb6765ac3
14da7db0680
157dc1d1216
hex4b9f204d8

20299515096 has 128 divisors (see below), whose sum is σ = 59170498560. Its totient is φ = 5683392000.

The previous prime is 20299515037. The next prime is 20299515211. The reversal of 20299515096 is 69051599202.

It is a happy number.

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, 2835121 + ... + 2842271.

It is an arithmetic number, because the mean of its divisors is an integer number (462269520).

Almost surely, 220299515096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20299515096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29585249280).

20299515096 is an abundant number, since it is smaller than the sum of its proper divisors (38870983464).

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

20299515096 is a wasteful number, since it uses less digits than its factorization.

20299515096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7505 (or 7501 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 48.

The spelling of 20299515096 in words is "twenty billion, two hundred ninety-nine million, five hundred fifteen thousand, ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 61 84 122 168 183 244 277 366 427 488 554 732 831 854 1108 1281 1464 1662 1708 1939 2216 2562 3324 3416 3878 5124 5817 6648 7151 7756 10248 11634 14302 15512 16897 21453 23268 28604 33794 42906 46536 50057 50691 57208 67588 85812 100114 101382 118279 135176 150171 171624 200228 202764 236558 300342 354837 400456 405528 436211 473116 600684 709674 872422 946232 1201368 1308633 1419348 1744844 1980827 2617266 2838696 3053477 3489688 3961654 5234532 5942481 6106954 7923308 9160431 10469064 11884962 12213908 13865789 15846616 18320862 23769924 24427816 27731578 36641724 41597367 47539848 55463156 73283448 83194734 110926312 120830447 166389468 241660894 332778936 362491341 483321788 724982682 845813129 966643576 1449965364 1691626258 2537439387 2899930728 3383252516 5074878774 6766505032 10149757548 20299515096