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90934236670 = 25431974012677
BaseRepresentation
bin101010010110000011…
…0100101010111111110
322200201100210211220111
41110230012211113332
52442213131033140
6105435152140234
76366302154424
oct1245406452776
9280640724814
1090934236670
1135624007a12
121575983767a
138762545144
14458900b114
1525733bc7ea
hex152c1a55fe

90934236670 has 64 divisors (see below), whose sum is σ = 168821205696. Its totient is φ = 35246131200.

The previous prime is 90934236667. The next prime is 90934236689. The reversal of 90934236670 is 7663243909.

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, 33967372 + ... + 33970048.

It is an arithmetic number, because the mean of its divisors is an integer number (2637831339).

Almost surely, 290934236670 is an apocalyptic number.

90934236670 is a deficient number, since it is larger than the sum of its proper divisors (77886969026).

90934236670 is a wasteful number, since it uses less digits than its factorization.

90934236670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325.

The product of its (nonzero) digits is 1469664, while the sum is 49.

The spelling of 90934236670 in words is "ninety billion, nine hundred thirty-four million, two hundred thirty-six thousand, six hundred seventy".

Divisors: 1 2 5 10 43 86 197 215 394 401 430 802 985 1970 2005 2677 4010 5354 8471 13385 16942 17243 26770 34486 42355 78997 84710 86215 115111 157994 172430 230222 394985 527369 575555 789970 1054738 1073477 1151110 2146954 2636845 3396871 5273690 5367385 6793742 10734770 16984355 22676867 33968710 45353734 46159511 92319022 113384335 211474969 226768670 230797555 422949938 461595110 1057374845 2114749690 9093423667 18186847334 45467118335 90934236670