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22684805949 = 313244743207
BaseRepresentation
bin10101001000000111…
…101010101100111101
32011112221110112122010
4111020013222230331
5332424302242244
614230554041433
71432102445331
oct251007525475
964487415563
1022684805949
119690a88513
124491119279
1321a69a1600
141152ac17c1
158cb7edeb9
hex5481eab3d

22684805949 has 12 divisors (see below), whose sum is σ = 32752028256. Its totient is φ = 13959880272.

The previous prime is 22684805947. The next prime is 22684805993. The reversal of 22684805949 is 94950848622.

It is a happy number.

It is not a de Polignac number, because 22684805949 - 21 = 22684805947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22684805947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22371097 + ... + 22372110.

It is an arithmetic number, because the mean of its divisors is an integer number (2729335688).

Almost surely, 222684805949 is an apocalyptic number.

It is an amenable number.

22684805949 is a deficient number, since it is larger than the sum of its proper divisors (10067222307).

22684805949 is a wasteful number, since it uses less digits than its factorization.

22684805949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44743236 (or 44743223 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 22684805949 in words is "twenty-two billion, six hundred eighty-four million, eight hundred five thousand, nine hundred forty-nine".

Divisors: 1 3 13 39 169 507 44743207 134229621 581661691 1744985073 7561601983 22684805949