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16028449620 = 2235719337139
BaseRepresentation
bin11101110110101111…
…01011101101010100
31112101001100121100020
432323113223231110
5230311240341440
611210253145140
71105125400551
oct167327535524
945331317306
1016028449620
116885707487
123133a8b1b0
131685937621
14ac0a59a28
1563c2653d0
hex3bb5ebb54

16028449620 has 48 divisors (see below), whose sum is σ = 44887106880. Its totient is φ = 4273543936.

The previous prime is 16028449607. The next prime is 16028449639. The reversal of 16028449620 is 2694482061.

It is a super-2 number, since 2×160284496202 (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 413011 + ... + 450149.

It is an arithmetic number, because the mean of its divisors is an integer number (935148060).

Almost surely, 216028449620 is an apocalyptic number.

16028449620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16028449620 is an abundant number, since it is smaller than the sum of its proper divisors (28858657260).

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

16028449620 is a wasteful number, since it uses less digits than its factorization.

16028449620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44344 (or 44342 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 16028449620 in words is "sixteen billion, twenty-eight million, four hundred forty-nine thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7193 14386 21579 28772 35965 37139 43158 71930 74278 86316 107895 111417 143860 148556 185695 215790 222834 371390 431580 445668 557085 742780 1114170 2228340 267140827 534281654 801422481 1068563308 1335704135 1602844962 2671408270 3205689924 4007112405 5342816540 8014224810 16028449620