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28075097229692 = 2231593837492787
BaseRepresentation
bin1100110001000101111100…
…01100101000100101111100
310200101221201210112110000112
412120202332030220211330
512134440244342322232
6135413304400245152
75625234036661562
oct630427614504574
9120357653473015
1028075097229692
118a44644519467
1231951853107b8
131288616364986
146d0bb0483a32
1533a46eb6c4b2
hex1988be32897c

28075097229692 has 24 divisors (see below), whose sum is σ = 51575903070720. Its totient is φ = 13354474895280.

The previous prime is 28075097229617. The next prime is 28075097229733. The reversal of 28075097229692 is 29692279057082.

It is a super-2 number, since 2×280750972296922 (a number of 28 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 7 ways as a sum of consecutive naturals, for example, 1918739078 + ... + 1918753709.

It is an arithmetic number, because the mean of its divisors is an integer number (2148995961280).

Almost surely, 228075097229692 is an apocalyptic number.

It is an amenable number.

28075097229692 is a deficient number, since it is larger than the sum of its proper divisors (23500805841028).

28075097229692 is a wasteful number, since it uses less digits than its factorization.

28075097229692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837492881 (or 3837492879 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 68.

The spelling of 28075097229692 in words is "twenty-eight trillion, seventy-five billion, ninety-seven million, two hundred twenty-nine thousand, six hundred ninety-two".

Divisors: 1 2 4 31 59 62 118 124 236 1829 3658 7316 3837492787 7674985574 15349971148 118962276397 226412074433 237924552794 452824148866 475849105588 905648297732 7018774307423 14037548614846 28075097229692