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28492222100331 = 3111999431916293
BaseRepresentation
bin1100111101001110111001…
…10001101111001101101011
310201212211101221120101020110
412132213130301233031223
512213304032324202311
6140333051322025403
76000331552612263
oct636473461571553
9121784357511213
1028492222100331
119095535648610
123241b97648263
1312b8a60807262
14707060b4c7a3
15346234ba68a6
hex19e9dcc6f36b

28492222100331 has 16 divisors (see below), whose sum is σ = 41463964224000. Its totient is φ = 17259375028320.

The previous prime is 28492222100323. The next prime is 28492222100347. The reversal of 28492222100331 is 13300122229482.

It is not a de Polignac number, because 28492222100331 - 23 = 28492222100323 is a prime.

It is a super-2 number, since 2×284922221003312 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28492222100331.

It is not an unprimeable number, because it can be changed into a prime (28492222100431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215892180 + ... + 216024113.

It is an arithmetic number, because the mean of its divisors is an integer number (2591497764000).

Almost surely, 228492222100331 is an apocalyptic number.

28492222100331 is a deficient number, since it is larger than the sum of its proper divisors (12971742123669).

28492222100331 is a wasteful number, since it uses less digits than its factorization.

28492222100331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431918306.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 28492222100331 in words is "twenty-eight trillion, four hundred ninety-two billion, two hundred twenty-two million, one hundred thousand, three hundred thirty-one".

Divisors: 1 3 11 33 1999 5997 21989 65967 431916293 1295748879 4751079223 14253237669 863400669707 2590202009121 9497407366777 28492222100331