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23237320390 = 252980128691
BaseRepresentation
bin10101101001000011…
…010101111011000110
32012222110010011221221
4111221003111323012
5340042223223030
614401452230554
71451561651524
oct255103257306
965873104857
1023237320390
119944952819
12460616b45a
1322642b242b
1411a6227314
1591008be7a
hex5690d5ec6

23237320390 has 16 divisors (see below), whose sum is σ = 43269493680. Its totient is φ = 8974413280.

The previous prime is 23237320369. The next prime is 23237320423. The reversal of 23237320390 is 9302373232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40064056 + ... + 40064635.

It is an arithmetic number, because the mean of its divisors is an integer number (2704343355).

Almost surely, 223237320390 is an apocalyptic number.

23237320390 is a deficient number, since it is larger than the sum of its proper divisors (20032173290).

23237320390 is a wasteful number, since it uses less digits than its factorization.

23237320390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80128727.

The product of its (nonzero) digits is 40824, while the sum is 34.

The spelling of 23237320390 in words is "twenty-three billion, two hundred thirty-seven million, three hundred twenty thousand, three hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 80128691 160257382 400643455 801286910 2323732039 4647464078 11618660195 23237320390