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83509383628 = 221117661168901
BaseRepresentation
bin100110111000110001…
…1000001000111001100
321222112220122020022101
41031301203001013030
52332011400234003
6102210315524444
76014304022516
oct1156143010714
9258486566271
1083509383628
1132463962a30
1214227159724
137b4b208588
144082c9abb6
15228b63111d
hex13718c11cc

83509383628 has 48 divisors (see below), whose sum is σ = 169061443488. Its totient is φ = 35671680000.

The previous prime is 83509383619. The next prime is 83509383667. The reversal of 83509383628 is 82638390538.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409978 + ... + 578878.

It is an arithmetic number, because the mean of its divisors is an integer number (3522113406).

Almost surely, 283509383628 is an apocalyptic number.

It is an amenable number.

83509383628 is an abundant number, since it is smaller than the sum of its proper divisors (85552059860).

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

83509383628 is a wasteful number, since it uses less digits than its factorization.

83509383628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169594 (or 169592 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 83509383628 in words is "eighty-three billion, five hundred nine million, three hundred eighty-three thousand, six hundred twenty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 661 748 1322 2644 7271 11237 14542 22474 29084 44948 123607 168901 247214 337802 494428 675604 1857911 2871317 3715822 5742634 7431644 11485268 31584487 63168974 111643561 126337948 223287122 446574244 1228079171 1897940537 2456158342 3795881074 4912316684 7591762148 20877345907 41754691814 83509383628