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10211311220994 = 23213223195686467
BaseRepresentation
bin1001010010011000000110…
…0100111111100100000010
31100011012011211120111111200
42110212001210333210002
52314300231133032434
633415002301522030
72102512545160062
oct224460144774402
940135154514450
1010211311220994
113287657a80a44
12118b02b573316
13590bcb9cb370
142743315753a2
1512a946430199
hex9498193f902

10211311220994 has 48 divisors (see below), whose sum is σ = 23933237782272. Its totient is φ = 3127852472544.

The previous prime is 10211311220941. The next prime is 10211311221029. The reversal of 10211311220994 is 49902211311201.

10211311220994 is a `hidden beast` number, since 10 + 21 + 1 + 311 + 220 + 9 + 94 = 666.

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, 97791052 + ... + 97895415.

It is an arithmetic number, because the mean of its divisors is an integer number (498609120464).

Almost surely, 210211311220994 is an apocalyptic number.

10211311220994 is an abundant number, since it is smaller than the sum of its proper divisors (13721926561278).

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

10211311220994 is a wasteful number, since it uses less digits than its factorization.

10211311220994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195686711 (or 195686708 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 10211311220994 in words is "ten trillion, two hundred eleven billion, three hundred eleven million, two hundred twenty thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 223 234 446 669 1338 2007 2899 4014 5798 8697 17394 26091 52182 195686467 391372934 587059401 1174118802 1761178203 2543924071 3522356406 5087848142 7631772213 15263544426 22895316639 43638082141 45790633278 87276164282 130914246423 261828492846 392742739269 567295067833 785485478538 1134590135666 1701885203499 3403770406998 5105655610497 10211311220994